- air change rate通风换气次数;
- a change of pace变手法， 换口味;
- a change of heartn.改变主意，变心，弃邪归正;心回意转;
- chemical warfaren.化学战;
- chemical resistance化学阻力，耐化学性;
- chemical plantn.化学工厂;化工厂;
- chemical fibre化学纤维，化纤;
- chemical fibern.化学纤维;
- chemical fertiliser化学施肥
- chemical experiment化学实验;
- chemical engineeringn.化学工程;化工;
- chemical element化学元素;
- chemical compound化合物;
- chemical bondn.化学键;
- Chemical Analyst化验员;
- chemical analysis化学分析;
- change upv.开快;
- change to变成，换成;
- change into换上衣服;（使）变为;
- change in在…方面改变;
- 双语例句
1、
Microorganisms are the agents that bring about the chemical change.
微生物是引起化学变化的作用者.
辞典例句
2、
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.
——《简明英汉词典》
3、
The chemical change gives off [ out ] heat and light.
这类化学变化发出 热乎 光.
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4、
This chemical change can be expressed by an equation.
我们可用反应式表示这种化学变化.
辞典例句
5、
A chemical change takes place in any substance when it burns.
物质燃烧时产生化学变化.
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6、
The chemical change absorbing heat is named an end – thermal reaction.
吸收热量的化学反应被称为吸热反应.
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7、
Wherever a chemical change takes place , there is a new substance formed.
每当发生化学反应, 都会产生新物质.
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8、
A chemical change takes place in paper when it burns.
纸燃烧时就发生了化学变化.
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9、
Heat and light can be given off by this chemical change.
这种化学反应能放出热和光.
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10、
We saw that a chemical change had taken place.
我们看到已发生了化学变化.
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11、
When rust is formed, a chemical change has taken place.
当锈生成时, 就发生了化学变化.
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12、
Whenever a chemical change takes place, There is a new substance formed.
每当发生化学变化时, 就有一种新的物质生成.
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13、
New material can be brought about through chemical change.
通过变化可以生成新的物质.
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14、
The chemical change off heat and light.
这种化学变化发出热和光.
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15、
A chemical change always results in forming at least on new substance.
一种化学变化总是产生至少一种新物质.
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