那位强击手本赛季已经击出了30个本垒打。

The ___slugger has hit 30 home runs this season.

那个拳击手以他猛烈的击打成为了著名的重炮手。

The boxer became known as a formidable ___slugger for his powerful punches.

这台老式打字机真是个大力士，按键时需要重重敲击才能打出字来。

The old typewriter was a real ___workhorse, requiring heavy presses to type each letter.