在理想世界中，人类不会用动物测试药物。
IN AN ideal world, people would not test medicines on animals.
这是因为这类试验主要关注测试药物的安全性而不是药效。
That is because such trials are concerned mainly with testing a drug’s safety, not its efficacy.
对于试剂试药，您是怎样贴瓶签的？标签上有哪些信息？
How do you label your reagents bottles? What information is on the label?
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