in the first place,drug experimentation on live mammals is,undeniably,far more effective than experimentation on bacteria or on other lower species in determining drug safety.怎么翻译?

Question

in the first place,drug experimentation on live mammals is,undeniably,far more effective than experimentation on bacteria or on other lower species in determining drug safety.
怎么翻译?

Answer 1

首先,在活体哺乳动物身上进行的药物实验,在决定药物安全性方面,无可置疑地远比那些在细菌或其他低等级物种身上进行的实验更加有效.