chemical

英[ˈkemɪkl]美[ˈkemɪkl]

adj.化学的，化学反应的，用化学方法生成的；

n.化学品，化合物；

复数：chemicals;

副词：chemically;

例句

The same water was reused after chemical treatment.原来的水经过化学处理之后再度使用。

A chemical factory blew up in the North of England.英国北部的一座化工厂爆炸了。

Soil consists of various chemical substances.土壤由各种化学物质组成。

The explosion of the chemical plant has poisoned many local residents.那座化工厂的爆炸*死了许多当地居民。

The heat brings about a chemical reaction, and oxygen is liberated.热量引起化学反应, 释放出氧气。

The chemical formula for water is H2O.水的化学分子式是H2O。

The peasant bought a bag of chemical fertilizer in the market place.这位农民在集市上买了一袋化肥。

The wrong chemical balance can cause severe distortion of the photographic image.化学药水不合比例可引致摄影图像的严重失真。

When two or more elements combine and form a compound, a chemical change takes place.当两种或两种以上的元素结合形成化合物时, 发生化学变化。

chemical affinity化学亲合性；化学亲合力；化学亲合势；化学亲合能

反义词

chemical的反义词之：

同义词解析

以下这些名词都有"药" 的意思

drug：普通用词，含义广泛，可指任何用于预防或治疗肉体上或精神上疾病的药品。用复数形式，多指*品。

medicine：普通用词，可指药物的总称，也指一切有利于健康的东西。

medication：指医生开给病人用的一切药物，从*简单的阿斯匹林到*复杂的药物。

remedy：普通用词，侧重指对恢复健康有效的药品或治疗方法。

cure比remedy更强调使身体恢复健康的疗法或良药。

chemical：多指工业或化学中的药品，有时也指医药中的药品。

英语四级真题

A drug is a chemical substance.

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.

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.

英语六级真题

It will drive producers of chemical fertilizers out of business.

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

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.

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

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

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.

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.

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

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

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

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

柯林斯高阶英汉双解学习词典释义

ADJ

化学的;化学反应的;用化学方法生成的

Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of.

例句

N-COUNT

化学品;化合物;化学制品

Chemicals are substances that are used in a chemical process or made by a chemical process.

例句

英英词典释义

Noun

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

Adjective

1. relating to or used in chemistry;

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

行业词典

医学： 化学的；化学药品，化学制剂；