1infect sb/sth (with sth) (usually passive 通常用于被动语态) to cause sb/sth to have a disease or illness 传染;使感染:
We must clean the wound before it becomes infected.尽快清洗伤口,免得受到感染。Many thousands of people have been infected with the virus.数以千计的人感染了这种病毒。
2 to make people share a particular feeling or emotion 感受;使受影响:
Paul's happiness infected the whole family.保罗的喜悦感染了全家上下。