adj.不会通过环境传播的; 不会传播传染病的
He expressed infectious enthusiasm to his voters. 他对他的选民表现出很有感染力的热情。
This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
While you have this rash you are still infectious. 身上还有这种疹子，就仍然有传染性。
Sufferers from the infectious disease are isolated. 感染到这种传染病的人被隔离起来。
Measles is an infectious disease. 麻疹是种传染病。
Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
