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- Some scientists experiment on animals. 有些科学家用动物做试验。
- We made experiments on animals in the biology lab yesterday. 昨天我们在生物实验室做了动物实验。
- Many people do not like the idea of experiments on animals. 许多人不赞成在动物身上做试验。
- They wanted me to sign a petition against experiments on animals. 他们要我在请愿书上签名;反对用动物做试验.
- Some cruel experiments on animals are carried out in the name of science. 一些残酷的动物实验是以科学的名义进行的。
- They decided to experiment on animals first. 他们决定先拿动物做实验。
- They are experimenting on animals. 他们在用动物作实验。
- Many people disapprove of experimenting on animals. 许多人不赞成用动物做试验。
- Nothing has been added to our understanding of this disease by all the experiments on animals. 在动物身上做的所有试验，丝毫没有加深我们对这种疾病的了解。
- They made an experiment on animal. 他们在动物身上做实验。
- Some people feel that experimenting on animals causes unnecessary suffering. 有人认为在动物身上做试验引起不必要的痛苦。
- Animal conservationists disapprove of experimenting on animals. 动物保护主义者不赞成用动物做试验。
- With the hierarchically ordered individuals studied by Sir Michael and his successors, both medical records and experiments on animals suggest stress hormones are involved. 在麦克爵士及其后继者所研究的等级制度森严的人群中，医学记录和在动物身上展开的实验都表明其与调控压力的激素有关。
- He made experiments on animals. 他以动物做实验。
- The Zoo is an ideal research center where scientists can conduct some experiments on animals to discover the causes of some diseases and develop some new cures. 动物园是个理想的研究中心,科学家们可以在动物身上做实验,找出一些疾病的成因并研制出新的疗法。
- The basic training includes simulation training,operation on animals isolated livers and galls,experiments on living animals,and operationvideo watching. 采用模拟训练、离体动物肝胆操作、活体动物试验、观看手术录像等项目进行腹腔镜手术基本技能训练;
- Many people object to experimentation on animals. 许多人反对用动物做实验。
- A famous French chemist named Louis Pasteur discovered and proved, after many years of careful experiments on animals, that microorganisms were responsible for certain infectious diseases. 一位名叫路易斯·巴斯德的法国化学家在经过多年细致的动物实验后，发现并证实了微生物是诱发某些传染病的原因。
- I made experiments on animals. 我以动物做实验。
- They may also give scientists a new way to study brain disorders and neurodegenerative diseases without having to experiment on animals. 人造大脑或许还能为科学家研究各种大脑疾病及神经退行性疾病带来新的方法，而不必在动物身上做实验。
