adj.不會(huì)通過環(huán)境傳播的; 不會(huì)傳播傳染病的

He expressed infectious enthusiasm to his voters. 他對(duì)他的選民表現(xiàn)出很有感染力的熱情。

This non sequitur invalidates his argument. 他不根據(jù)前提推理因而論證無(wú)效。

While you have this rash you are still infectious. 身上還有這種疹子，就仍然有傳染性。

Sufferers from the infectious disease are isolated. 感染到這種傳染病的人被隔離起來(lái)。

Measles is an infectious disease. 麻疹是種傳染病。

Patience is a sine qua non for a good teacher. 做個(gè)優(yōu)秀教師必不可少的條件是要有耐心。