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- We are doing a chemical experiment. 我们正在做化学实验。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- The ability to take part in a chemical reaction. 活性，活度参加化学反应的性能
- a chemical analyst 化学分析家
- A chemical factory blew up early in the morning. 有间化工厂凌晨发生爆炸。
- We saw that a chemical change had taken place. 我们看到已发生了化学变化。
- A chemical group is a submolecular group of atoms. 化学基因是亚分子的原子集团。
- A chemical constituent of cannabis, C21H28(OH)2. 大麻醇，大麻酚大麻的一种化学成分，C21H28（OH）2
- To straighten(hair) by a chemical process; conk. 使卷发变直通过化学程序把（卷发）弄直；把卷曲的头发弄直
- A chemical solution opaque to x-rays. 一种X光不能穿透的化学物质，
- There lies a chemical works by the river. 河边上有一座化工厂。
- The water can be softened by adding a chemical. 添加化学品能使水变软。
- The boy works in a chemical plant. 那小伙子在化工厂工作。
- There used to be a chemical works there. 那儿以前有个化工厂。
- They built a chemical works in the village. 他们在村里建了一座化工厂。
- A chemical component separated by fractionation. 分馏被分馏出的化学成分
- He is working in a chemical factory these days. 这些天他正在一家化学工厂工作。
