Usm
abbr. 水下对地导弹（Underwater-to-Surface Missile）
🗣️ 情景例句
I'll drive you to the station, dear.
我开车送你到车站去。
Yes. And while I think of it, please ask when you want to borrow my records/CDs.
是的。还有，随便想起一件事，要是你想借用我的唱片，请先问一声。
The salvage operation had been a complete failure.
打捞工作彻底失败了。