Life saver
na. 救命的人；〈美〉救生员；〈俚〉应急的东西\\n
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
saver
['seivə]
n. 救助者;俭省的人;节约装置;
🗣️ 情景例句
You bet.
当然。
They have brought wine with them to the dinner party.
他们为晚宴带来了美酒。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。