4. rescue n.&vt. 援救，营救
[典例]
1). The police came to his rescue and pulled him out of the river.
警察来救他，把他从河里拉了出来。
2). The rescue team made countless rescues during the earthquake.
营救队在这次地震期间进行了无数次救援。
3). Michael rescued a boy from drowning. 迈克把溺水的男孩救了起来。
