基本释义:
n.供塞入拇指的孔
英英释义
Noun1. the hole in a woodwind that is closed and opened with the thumb
2. a finger hole made to fit the thumb (as in a bowling ball)
n.供塞入拇指的孔
1. the hole in a woodwind that is closed and opened with the thumb
2. a finger hole made to fit the thumb (as in a bowling ball)