infect的用法

　　infect例句分享

　　The wound from the dog bite had become infected.

　　狗咬的伤口感染了。

　　Anyone with a bad cold may infect the people around him.

　　任何重感冒都可能把疾病传染给周围的人。

　　Her gloomy mood soon infected other students in the class.

　　她低沉的情绪很快传染给了班上其他同学。