Hmf
abbr. hollow metal frame 空心金属架
🗣️ 情景例句
Yes, I think that's what we stipulated.
对呀，我想那是我们所订定的。
Half the world knows not how the other half lives.
富人不知穷人苦。
all admit radical changes of destination once the journey has begun;
他们无不承认，一旦"旅程开始，目的地"常有急剧的变化。