Hmf
abbr. hollow metal frame 空心金属架
🗣️ 情景例句
I'm on the top floor.
我在顶层。
I have been told you have just changed the interest rate on savings accounts. Is that true?
听说你们储蓄率刚调过，是真的吗？
Can't you see? Look! It has an egg in it.
你没看见吗？瞧！里面有一只蛋。