n.内野手,内场手
He has no catcher's mask or mitt, only an infielder's glove.
他没有捕手面罩或捕手手套, 只有内野手手套.
The new infielder really covers the ground at second base.
新内野游击手在二垒附近真是来去如飞.
The infielder's snap and throw was a single motion.
内场手的传球和投球是一个动作.