Umf
abbr. ultramicrofiche 超缩微平片，超缩微胶片
🗣️ 情景例句
Could I?
我可以用吗？
I will be in between six and eight.
我6点至8点都在。
I'm going to the shops. I want to buy some food for supper this evening.
我要去商场，想买些东西为晚饭做准备。