化学 - 关于化学的双语例句 - 化学造句 - 语文书

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为您找到461个与“化学”相关的双语例句：

The same water was reused after chemical treatment.
原来的水经过化学处理之后再度使用。
Scientists tried out thousands of chemicals before they found the right one.
科学家们试验了数千种的化学药品才找到一种合适的。
A police put some chemicals on the piece of paper and a line of words showed up.
一位警察在一张条上涂上化学药品, 一行字迹清晰地显现出来。
Chemicals are used to keep the insects down.
化学药品用于阻止昆虫滋生。
He is reading a text in chemistry.
他在看化学教科书。
Soil consists of various chemical substances.
土壤由各种化学物质组成。
For her twelfth birthday, she asked for a chemistry set.
她要一个化学箱作她12 岁生日的礼物。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起化学反应, 释放出氧气。
A chemist can isolate the oxygen from the hydrogen in water.
化学家可以把水中的氢和氧分离开来。
inflammable chemicals
易燃的化学品
chemicals that are very ineffective in killing weeds
完全不能有效清除杂草的化学品
An imbalance in certain chemicals leads to disturbances in the brain’s function.
某些化学成分失衡会道致大脑功能的紊乱。
The new chemistry lab was paid for by friends of the college.
新的化学实验室是由学院的资助者出钱建的。
The chemical formula for water is H2O.
水的化学分子式是H2O。
The student was excellent in chemistry.
这个学生的化学成绩优异。
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。
Carbon is an element,while carbon dioxide is a compound.
碳是一种(化学)元素,而二氧化碳则是一种化合物。
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。
A chemist can separate a medicine into its components.
化学家能把一种药物的各种成分分解出来。
These substances are sometimes combined with other chemicals, such as chlorine.
这些物质有时可与其他化学品化合，例如氯。

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