life saving raft

• 救生筏

life saving raft的用法和样例：

例句

1. She was tossed about on a life raft.
   她在救生筏上颠簸着。
2. The life raft was buoyed up by two airtight oil drums.
   那只救生筏是由两只密封的油筒浮起来的。