fippleyoudaoicibaDictYouDict[fipple 词源字典]
"The mouthpiece of a recorder or similar wind instrument which is blown endwise, in which a thin channel cut through a block directs a stream of air against a sharp edge. The term has been applied to various parts of this, including the block and the channel", Early 17th century: perhaps related to Icelandic flipi 'horse's lip'.[fipple etymology, fipple origin, 英语词源]