Preemergency
[计] 备用, 备急, 辅助
🗣️ 情景例句
I'm retired.
我退休了。
Building is rewarding.
建造东西是有价值的事。
No, that would be fine. I'll tell you how to get here.
不晚，就这么定了。我告诉你到这儿来怎么走。