Hmf
abbr. hollow metal frame 空心金属架
🗣️ 情景例句
We'll tell you the big surprise.
我来告诉你们这个大惊喜。
We exchange products under almost all circumstances.
在各种情形下我们都可更换产品。
Who but Jack would do such a thing?
除了杰克谁会做这种事呢？