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- Some scientists experiment on animals. 有些科学家用动物做试验。
- 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。
- They made an experiment on animal. 他们在动物身上做实验。
- Many people disapprove of experimenting on animals. 许多人不赞成用动物做试验。
- 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 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。
- 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。
- Animal conservationists disapprove of experimenting on animals. 动物保护主义者不赞成用动物做试验。
- 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。
- 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。
- Abstract： Objective Through experiment on animals to explore the existince of larra trichinella spiralis and prevent the invasion by lorra trichinella spiralis in advance. 摘 要： 目的：通过动物实验，进一步探索旋毛虫在本地的存在情况，以期防患于未然。
- Objective Through experiment on animals to explore the existince of larra trichinella spiralis and prevent the invasion by lorra trichinella spiralis in advance. 目的：通过动物实验，进一步探索旋毛虫在本地的存在情况，以期防患于未然。
- Many people object to experimentation on animals. 许多人反对用动物做实验。
- They succeeded in the experiment on the fifteenth trial. 他们在第十五次尝试时获得了成功。
- 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。
