chemical

高中CET4CET6

英[?kem?kl]
美[?kem?kl]

基本釋義

adj.
化學的; 化學反應的; 用化學方法生成的
n.
化學品; 化合物

詞性變化

實用例句

a chemical element

化學元素

牛津詞典

the chemical industry

化學工業(yè)

牛津詞典

chemical reactions/processes

化學反應 / 過程

牛津詞典

The raw sewage is chemically treated.

未經(jīng)處理的污水要進行化學處理。

牛津詞典

...the chemical composition of the ocean.

海洋的化學成分

The whole food chain is affected by the overuse of chemicals in agriculture.

整個食物鏈因農(nóng)業(yè)生產(chǎn)過程過多使用化學品而受到影響。

...a chemicals company.

化工公司

...chemical reactions that cause ozone destruction.

導致臭氧受到破壞的化學反應

The chemical plant proposed to increase production and practise economy and other factories presently responded.

化工廠提出增產(chǎn)節(jié)約的倡儀,其他工廠隨即響應.

《現(xiàn)代漢英綜合大詞典》

Soil consists of various chemical substances.

土壤由各種化學物質(zhì)組成.

《簡明英漢詞典》

A catalyst is a substance which speeds up a chemical reaction.

催化劑是一種能加速化學反應的物質(zhì).

《簡明英漢詞典》

The risin and tannin that can be extracted from it are sought by the chemical industry.

從中提取的松香和鞣酸是化學工業(yè)上很需要的.

《簡明英漢詞典》

The explosion of the chemical plant has poisoned many local residents.

那座化工廠的爆炸毒死了許多當?shù)鼐用?

《簡明英漢詞典》

The same water was reused after chemical treatment.

原來的水經(jīng)過化學處理之后再度使用.

《現(xiàn)代英漢綜合大詞典》

The chemical must be salted out and allowed to dry.

必須把這種化學物質(zhì)加鹽分離出來并讓它變干.

《簡明英漢詞典》

The chemical formula for water is H 2 O.

水的化學分子式是H2O.

《簡明英漢詞典》

The chemical fertilizer should be well dug in.

化學肥料應該均勻地混入土壤中.

《簡明英漢詞典》

The soil has been poisoned with chemical waste from the factory.

土壤被從工廠排出的化學廢料污染了.

《簡明英漢詞典》

A chemical factory blew up in the North of England.

英國北部的一座化工廠爆炸了.

《簡明英漢詞典》

The state allotted them large quantities of chemical fertilizer.

國家給他們調(diào)撥了大量化肥.

《現(xiàn)代漢英綜合大詞典》

chemical additives in petrol

汽油中的化學添加劑

《牛津高階英漢雙解詞典》

Chemical weapons are banned internationally.

國際上禁止使用化學武器。

《牛津高階英漢雙解詞典》

a report produced by the government in cooperation with the chemical industry

政府與化工行業(yè)合作提出的一份報告

《牛津高階英漢雙解詞典》

Chemical products were used liberally over agricultural land.

化學產(chǎn)品曾被大量地用于農(nóng)田。

柯林斯例句

Such a war could result in the use of chemical and biological weapons.

這樣的戰(zhàn)爭可能導致使用生化武器。

柯林斯例句

They are taking precautionary measures to safeguard their forces from the effects of chemical weapons.

他們正采取預防措施保護其軍隊免受化學武器的傷害。

柯林斯例句

真題例句

A drug is a chemical substance.

出自-2015年12月聽力原文

The supervisor of the laboratory is beginning to get headaches and dizzy spells because she says it's dangerous to breathe some of the chemical smoke there.

出自-2011年6月聽力原文

Muscle performance can also be affected by a phenomenon called "central fatigue", in which an imbalance in the body's chemical messengers prevents the central nervous system from directing muscle movements effectively.

2017年6月四級真題(第三套)閱讀 Section A

It will drive producers of chemical fertilizers out of business.

出自-2016年6月閱讀原文

In cases where sewage mud is used, expensive chemical fertilizer use can be avoided.

出自-2016年6月閱讀原文

Way up north in the Canadian Arctic, seabirds are picking up dangerous chemicals in the ocean and delivering them to ponds near where the birds live.

出自-2016年12月聽力原文

The bodies of fish and other meat eaters can build up high levels of the chemicals.

出自-2016年12月聽力原文

Salmon also carry dangerous chemicals as the fish migrate between rivers and the sea.

出自-2016年12月聽力原文

People who live, hunt or fish near bird coloniesneed to be careful, the researchers say, The birds don’t mean to cause harm, but the chemicals they carry can cause major problems.

出自-2016年12月聽力原文

We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.

出自-2013年12月聽力原文

Chemical testing showed that over the two years before her death, she moved about every two months.

2015年12月六級真題(第二套)聽力 Section C

Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.

2018年12月六級真題(第二套)聽力 Section C

The chemical composition of rainfall changes slightly as rain clouds move.

2015年12月六級真題(第二套)聽力 Section C

The method relies on measuring how chemical variations in drinking water show up in people's hair.

2015年12月六級真題(第二套)聽力 Section C

Although we may not be aware of chemicals like pheromones consciously, we give and receive loads of information through smell in every interaction with other people.

2015年高考英語上海卷 完形填空 原文

But she expects using the chemical in some kind of industrial process-not simply "millions of worms thrown on top of the plastic".

2018年高考英語北京卷 閱讀理解 閱讀C 原文

Changing levels of body chemicals called hormones not only make teenagers' bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.

2017年高考英語浙江卷(6月) 閱讀理解 閱讀B 原文

Her popular 1962 book Silent Spring raised awareness of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.

2016年高考英語全國卷1 閱讀理解 閱讀A 原文

Hormones are chemicals which are produced by the body to control various body functions.

2016年高考英語四川卷 閱讀理解 七選五 原文

In contrast, humans do not seem to be as gifted as other animals at detecting such chemicals.

2015年高考英語上海卷 完形填空 原文

In study after study, it appears that these chemical conversations help the neighbors.

2017年高考英語全國卷2 閱讀理解 閱讀D 原文

Many animals give off pheromones — natural chemicals that can be detected by, and then can produce a response in, other animals of the same species.

2015年高考英語上海卷 完形填空 原文

Other experts say part of the problem is chemical.

2017年高考英語浙江卷(6月) 閱讀理解 閱讀B 原文

So condors with high levels of lead are sent to Los Angeles zoo, where they are treated with calcium edta, a chemical that removes lead from the blood over several days.

2016年高考英語北京卷 閱讀理解 閱讀C 原文

Some plants pump out smelly chemicals to keep insects away.

2017年高考英語全國卷2 閱讀理解 閱讀D 原文

These chemicals come from the injured parts of the plant and seem to be an alarm.

2017年高考英語全國卷2 閱讀理解 閱讀D 原文

They are affected by certain body chemicals.

2017年高考英語浙江卷(6月) 閱讀理解 閱讀B 選項

What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, vocs for short.

2017年高考英語全國卷2 閱讀理解 閱讀D 原文

Where we use sound and sight to communicate, ants depend primarily on pheromone, chemicals sent out by individuals and smelled or tasted by fellow members of their colony.

2015年高考英語安徽卷 閱讀理解 閱讀D 原文

95 knit miniskirt in all its 2,300-pius stores around the world, it must rely on low-wage overseas labor, order in volumes that strain natural resources, and use massive amounts of harmful chemicals.

出自-2013年考研閱讀原文

英英釋義

Noun
  • 1. produced by or used in a reaction involving changes in atoms or molecules

Adjective
  • 1. relating to or used in chemistry;

    "chemical engineer"

    "chemical balance"

  • 2. of or made from or using substances produced by or used in reactions involving atomic or molecular changes;

    "chemical fertilizer"

同義詞辨析

drug, medicine, medication, remedy, cure, chemical

這些名詞都有"藥"之意。

  • drug: 普通用詞,含義廣泛,可指任何用于預防或治療肉體上或精神上疾病的藥品。用復數(shù)形式,多指毒品。
  • medicine: 普通用詞,可指藥物的總稱,也指一切有利于健康的東西。
  • medication: 指醫(yī)生開給病人用的一切藥物,從最簡單的阿斯匹林到最復雜的藥物。
  • remedy: 普通用詞,側(cè)重指對恢復健康有效的藥品或治療方法。
  • cure比remedy更強調(diào)使身體恢復健康的療法或良藥。
  • chemical: 多指工業(yè)或化學中的藥品,有時也指醫(yī)藥中的藥品。

反義詞

最新英語單詞

行業(yè)英語