I hate using the mechanical drills during Design and Technology lessons, because I feel so unsafe operating the drill with my right hand.

我讨厌用机械演习期间设计和技术经验，因为我觉得不安全的作业演练与我的右手。

youdao

Language learning needs lots of practices, which include mechanical drills, meaningful exercises, output training as well as variety of interactions.

语言学习需要大量练习，既有机械性的练习，也包含各种有意义的练习；

youdao

Monnon, a capable engineer and respected leader, led his crew through the cold hardship of carving the ice with laser-borers, mechanical drills and more than a few mitted hands and vibrospades.

墨农是一位能干的技师又深受敬重的领队，带领著部下使用雷射钻孔器与电钻，加上双手以及电动铲子挖掘。

youdao

They used drills, spades, mechanical diggers and hands.

BBC: 9/11 defined the past decade for the US and Europe