thumb·hole 
(thŭmhōl′)
(thŭmhōl′)n.
1. An opening made to fit a thumb, as in a bowling ball.
2. Music The hole on a wind instrument that is opened or closed with the thumb.
| 单词 | thumbhole |
| 释义 | thumb·hole (thŭmhōl′)n. 1. An opening made to fit a thumb, as in a bowling ball. 2. Music The hole on a wind instrument that is opened or closed with the thumb. |
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