在实验室中化学老师常把化合物分解为各种成分。
Our chemistry teacher often reduces a compound to its components in lab.
化学是一门以实验为基础的科学。
以物理化学实验为例说明之。
化学是一门以实验为基础的学科。
化学是一门以实验为基础的学科。
天然药物化学是一门以实验为基础的科学，它与社会、环境紧密联系。
Natural pharmaceutical chemistry, based on experiment, has much to do with society and environment.
在实验室中化学老师常把化合物分解为各种成分。
Our chemistry teacher often reduces a compound to its components in lab .
到了十岁时，他为自己建了一个化学实验室。
By the time he was ten, he had already built a chemistry lab for himself.
为避免化学危害和电气危害，请遵守实验室安全操作规范。
To avoid chemical or electrical hazards, always observe safe laboratory practice when operating the system.
为避免化学危害和电气危害，请遵守实验室安全操作规范。
To avoid chemical or electrical hazards, always observe safe laboratory practice when operating the system.
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