a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
bones的用法和樣例：
例句
用作名詞 (n.)
Calcium is beneficial to our bones. 鈣對我們的骨骼有益。
Electric stimulation causes the regrowth of bones. 電擊療法能促進骨骼重新生長。
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