thumb·tack 
(thŭmtăk′)
(thŭmtăk′)n.
A tack with a smooth, rounded head that can be pressed into place with the thumb.
tr.v. thumb·tacked, thumb·tack·ing, thumb·tacks
To affix with a thumbtack.
| 单词 | thumbtack |
| 释义 | thumb·tack (thŭmtăk′)n. A tack with a smooth, rounded head that can be pressed into place with the thumb. tr.v. thumb·tacked, thumb·tack·ing, thumb·tacks To affix with a thumbtack. |
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