Umf
abbr. ultramicrofiche 超缩微平片，超缩微胶片
🗣️ 情景例句
I'm ready, Grandpa. You name the day.
我准备好啦 ，爷爷。哪一天随你挑吧。
Make a long story short!
长话短说！
But even when such refinements are not available, there is plenty to keep you occupied.
即使没有这些消遣条件，也总是有事可做。