1.vaccine n.疫苗
The vaccine was used to protect the whole population against infection.
这种疫苗用以为全体居民预防传染病。
2.addictive a.使人上瘾的
Coke is a powerfully addictive drug.
可卡因是极易使人上瘾的毒品。
3.affliction n.痛苦；痛苦的原因
I have great sympathy for people in affliction.
我对那些受苦受难的人们充满同情。
4.antibody n.抗体
Our end product is an anti-cancer antibody.
我们的最终产品是一种抗癌抗体。
5.molecule n.分子；微粒
A molecule is made up of atoms.
分子由原子组成。
