Umf
abbr. ultramicrofiche 超缩微平片，超缩微胶片
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了！谢谢你带我买这些东西。
Peter began to hear about the interesting new play.
彼德开始听到新放映的电视剧很精彩。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。