Capable of communicating some condition, as disease, by infection. 有传染性的。 Yawning is infections. 打呵欠是有传染性的。 Corrupting; demoralizing. 败坏的；败坏风纪的。 Readily communicated or spread. 易传染或蔓延的。 Their enthusiasm was infectious. 他们的热情很快就感染了大家。 adv. infectiously. n. infectiousness. |