U-s
abbr. upper-stage 上级，顶级
🗣️ 情景例句
But a simple solution might be
但是， 一个简单的解决办法可能是
You are shorter than I am.
你比我矮。
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。