Knuckle-bone
n. 膝节骨；指关节骨
🧩 词语组成解析
knuckle
[['nʌkəl]]
n. 指节, 蹄爪, 膝关节\\nv. 以指节打, 以手指射
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
Who has torn these pages out of the book?
谁撕掉书上的这几页？
Oh well, better luck next time.
算了，下次的运气会更好。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。