重点讲解：
1. recover from 恢复健康；复原；
She returned to her family home to recover from an illness.
她回家养病来了*(IoxJO_Q!.Sh8)RiR。
2. be immune to (对疾病)免疫的,有免疫力的；
Most adults are immune to Rubella.
大多数成人对风疹具有免疫力_z5.3cTCuO#。
3. give out 分发；散发；
There were people at the entrance giving out leaflets.
有人在入口处散发传单CSX~6nv;+d|。
4. stick around 呆在原处(等待)；
Stick around a while and see what develops.
呆上一会儿，看看会发生什么u4A2m8eeHieJv*3~。