英语语法分析

Mubai: Rough and 5 calloused. The hand of a Shuang Dao master.

慕白：双刀大侠的手，又粗又硬。

His hands were rough and calloused, from years of karate practice.

由于多年练习空手道，他的双手粗糙不平，布满老茧。

A fellow rower might notice that his right palm is more calloused than the left.

同伴可能会注意到，马宏升的右手掌比左手掌粗糙。