Hmf
abbr. hollow metal frame 空心金属架
🗣️ 情景例句
You should consider his proposal.
你该仔细考虑他的建议。
Confidence of success is almost success.
对成功抱有信心，就近乎成功。
Don't you usually come to school by bike?
你不是常骑自行车到学校吗？