U-s
abbr. upper-stage 上级，顶级
🗣️ 情景例句
I'd just like to repeat, do not be late!
我只想重复一遍，别迟到！
What's the date today?
今天是几号？
I stopped to let the car cool off and to study the map.
我停下车，让汽车发动机冷却一下，同时查看一下地图。