British law says that every new drug must be tested on at least two different kinks of animals, such as mice or dogs.
英国的律师说，每一种新药必须被测试在至少两个不同品种的动物，如老鼠或狗。
British law says that every new drug must be tested on at least two different kinks of animals, such as mice or dogs.
英国的律师说，每一种新药必须被测试在至少两个不同品种的动物，如老鼠或狗。
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