Uft
abbr. United Federation of Teachers （美国纽约）教师联合会
🗣️ 情景例句
Or at least I think I do.
至少我想我有了答案。
Can this radio receive short-wave?
这个收音机能收短波吗？
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。