n. 救生艇
在线英汉词典
lifeboat的短语、例句：
lifeboat
n
(a) small boat carried on a ship for use if the ship has to be abandoned at sea （船上的）救生艇.
(b) boat specially built for going to the help of people in danger in the sea along a coast （海岸的）救生船.
lifeboat