Seva
abbr. stand-up extravehicular activity （宇航员在外层空间的）直立舱外活动
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
If I buy that car, I'll have to use all my savings.
如果我要买那辆车的话，我必须用尽我的积蓄。
I was waiting for the sound of the other shoe!
我一直在等待另一只鞋落地的响声！