介绍： 1.infect [ɪn'fekt]
vt. 感染，传染，污染
The ward was full of children infected with TB.
病房里住满了感染结核病的孩子。
infectious adj. 传染的；传染性的；易传染的
infectious disease传染病

2.*perfect [ˈpəːfɪkt; (v.) pəˈfekt]
adj. 完美的；zui好的
vt. 使完美，完善
Nobody is perfect. 人无完人。
You need to perf...

介绍： 1.infect [ɪn'fekt]
vt. 感染，传染，污染
The ward was full of children infected with TB.
病房里住满了感染结核病的孩子。
infectious adj. 传染的；传染性的；易传染的
infectious disease传染病

2.*perfect [ˈpəːfɪkt; (v.) pəˈfekt]
adj. 完美的；zui好的
vt. 使完美，完善
Nobody is perfect. 人无完人。
You need to perfect your spoken English.
你的口语还亟待完善。

3.*affect [ə'fekt]
v. 影响
The divorce affected every aspect of her life.
离婚使她生活的各个方面都受到了影响。
affection n. 喜爱，感情

4.*effect [ɪ'fekt]
n. 效应，作用，效果，影响
put into effect 执行
in effect 实际上,事实上
take effect 生效；起作用
positive effect 积极的效果

5.*influence ['ɪnflʊəns]
vt./n. 影响
What influenced you to choose a career in nursing?
是什么影响你选择从事护理职业?
Christopher hoped to exert his influence to make them change their minds.
克里斯托弗希望利用自己的影响迫使他们改变主意。
human influence on environment 人类对环境的影响

6.*impact ['ɪmpækt]
n. 影响；效果；碰撞
vt. 撞击；对…产生影响
The anti-smoking campaign had/made quite an impact on young people.
禁烟运动对年轻人造成了不小的影响。

7.*disable [dɪs'eɪb(ə)l]
vt. 使失去能力；使残废
The illness disabled her and let her unable to study and work.
疾病使她残疾，不能学习和工作。
disabled people /the disabled 残疾人

8.handicapped ['hændɪkæpt]
adj. 残废的
n. 残疾人；缺陷者
a physical/mental handicap 身体残疾/智障病人
handicap vt. 妨碍；使不利 n. 残疾；障碍；不利条件
Rescue efforts have been handicapped by rough seas and hurricane-force wind.
救援工作受到了大风和飓风的阻碍。
I found that not having a car was quite a handicap while on holiday.
我发现在假期没有汽车是非常不方便的。

9.virus ['vaɪrəs]
n. 病毒；恶毒 [复数 viruses ]

10.bacteria [bæk'tɪərɪə]
n. 细菌 [单数] bacterium