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- 他借助化学药品和试管讲解了这些原理。
He demonstrated the principles with chemicals and test tubes.
- 之后,这化学药品必须加盐分离,晾干。
The chemical must then be salted out and allowed to dry.
- 炸药一种用来爆破或引起爆炸的物质,尤指准备好的化学药品
A substance, especially a prepared chemical, that explodes or causes explosion.
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海词词典,十七年品牌