甲醛是一种在实验室动物身上被证明会导致癌症的致癌物质。

Formaldehyde is a carcinogen that has been shown to cause cancer in lab animals.

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动物研究和检测实验室。

Animal research and testing laboratories.

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动物实验对那些动物实验室工作人员也有危险。

Animal experimentation is also dangerous for those who work in these LABS.

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第一步就是实验室和动物实验。

First are laboratory and animal tests.

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第一步就是实验室和动物实验。

First are laboratory and animal tests.

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