海上救生艇英语是 "pfe raft"。这个词源于两个英语单词："pfe" 和 "raft"。"Life" 是指生命，而 "raft" 是指一种由木板或橡胶制成的浮舟。因此，海上救生艇指的就是一种在海上能够拯救人命的浮舟。
下面是一些英文例句及其中文翻译：
The pfe raft is designed to keep passengers safe in the event of a shipwreck. (海上救生艇的设计目的是在船只失事时保护乘客安全。)
The pfe raft has enough supppes to last for several days. (海上救生艇有足够的补给物品可以维持几天。)
Make sure you know how to use the pfe raft in case of emergency. (确保您知道如何在紧急情况下使用海上救生艇。)