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- Monitoring work aside,the laboratory also attended incidents of gas emission or chemical leakage to give professional advice at the scene. 此外，化验所人员奉召到泄漏化学品或气体现场，为处理意外提供专业意见。
- Monitoring work aside, the laboratory also attended incidents of gas emission or chemical leakage to give professional advice at the scene. 此外，化验所人员奉召到泄漏化学品或气体现场，为处理意外提供专业意见。
- No environmental problem threatens the earth or rates with the danger of nuclear war，and no chemical leakage ever caused suffering on a par with today's incessant war in Iraq. 没有任何环境问题可以威胁到地球；任何环境问题也没有核战争所造成的危害大，而任何化学品泄漏所造成的危害也无法跟今日伊拉克那不绝的战乱相比。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- 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
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。
- 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
- Relating to both physical and chemical properties. 物理和化学的与物理和化学特性均有关的
- Chemical breakdown caused by radiant energy. 光解作用由光能引起的化学分解
- A toxic chemical or other substance. 有毒的化学品或其它物质
