ball of the thumb造句

例句与造句

1. he held up his hand, rubbing the ball of the thumb over the calloused palm and gazing at the dirt that was ingrained in the flesh itself and which no brush could scrub away
   他抬起手用拇指肚揉揉长满老茧的手掌。细看着嵌入肌理的连刷子也刷不掉的污垢。
2. It's difficult to find ball of the thumb in a sentence. 用ball of the thumb造句挺难的