COMB in N-COUNT (用于某一字母后,礼貌或幽默地指以该字母开头的单词,以免冒犯或尴尬)表示“…字头的单词” You can use -word after a letter of the alphabet to refer politely or humorously to a word beginning with that letter which people find offensive or are embarrassed to use.
It was the first show to use the F-word and show nudity on stage... 这是第一个使用F字头词并且裸体上台的演出。
Politicians began to use the dreaded R-word: recession. 政客们开始使用令人恐惧的R字头词:recession(经济衰退)。