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- The entire surface of the Earth seems to be a vast unstable chemical anomaly. 整个地球表面似乎是一个巨大反常且不稳定的化学物品反应堆。
- Sodium hypochlorite, used in water treatment, aquatic centers, and paper and textile applications, can become trapped in the body cavity of a closed ball valve and create failure conditions as the unstable chemical decomposes. 次氯酸钠，用于水处理，水族中心，以及造纸和纺织应用，可能淤积在封闭的球阀阀腔内导致阀门故障或失效，如不稳定化学物质的分解和腐烂。
- Forecasting and Evaluating Methods for Explosion Hazards of Unstable Chemical Substances 化学不稳定物质的危险性预测与评价方法
- The price of gasoline is unstable. 汽油价不稳定。
- 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。
- Most of the countries in the region have unstable economies. 这个地区大多数国家的经济都不稳定。
- 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。
- The cause of flight of capital is the unstable political situation. 资本外逃是因为政治的不稳定。
- The table is unstable because one leg is shorter than the others. 这桌子一条腿比其它的腿短，所以不平稳。
- If it were gentle, only the more unstable rods fell. 若地震是微弱的，仅那些比较不稳定的杆子倒下。
- 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。
