contagious=infectious 传染的

coworker=colleague 同事

appear to =seem to似乎

deliberately=intenionally=on purpose 故意地

appropriate=suitable=proper=right 适当的，合适的

reluctant=unwilling 不情愿的

oppose=object to 反对

fade=subside=disappear=vanish 消失（褪色）

inevitable=certain 肯定的，必然的

occasionally=now and then=sometims 有时

lately=recently近来

harness=utilise

practically=almost

readily=willingly

physician=doctor

safe=secure

abnomai=unusual

accelerate=step up

allocate=assign 委派，派遣

credible=convincing

eternal=everlasting

depict=describe 描写

stroll=walk

orthodox=conventional=tradional 传统的

postulate=assume假定

abide by=strick to 坚持

demolish=pull down

concise=short and clear