例句 /

Animals spend 95% of their time in their cages and refinement also means making their lives better when not undergoing tests.

Animals spend 95% of their time in their cages and refinement also means making their lives better when not undergoing tests.

被试验的动物一生中95%的时间是在笼子里度过的,因此条件的改善也意味着使它们在不被用来试验时活得更好一些。