Those studies were done in cancer cells grown in the lab, not in living animals (in vivo).

那些试验都是在实验室生长的癌细胞，而非活的动物（体内）进行的。

Elephants are the biggest living animals on land.

大象是陆地上活着的最大动物。

They tested its accuracy by using data from living animals.

他们还用活动物的数据检测了该程序的准确性。

Article 2 Biological assets refer to living animals and plants.

第二条生物资产，是指有生命的动物和植物。

Chimaeras display some unusual features not seen in other living animals, Long said.

Long表示，银蛟表现出了在其它动物身上看不到的一些独特特征。