Man-made diamonds are nothing new--industry started making them in the 1950s, and each year about 80 tons of low-quality synthetic diamonds are used in tools like drill bits and sanders.

人造钻石并不是什么新生事物，二十世纪五十年代工业上就开始制造了，每年大约生产八百吨低质量的人造钻石，用来制造工具如钻头和打磨机。

youdao

There is no plausible instinct, for example, that could impel a man to leave home, cut his hair short, and drill for hours in tight formation.

但在这些过程中并没有什么看似合理的本性能够驱使人们去做那些特定的事情，比如说离开家乡，剪短头发，然后时时刻刻都在密集的队形里操练着。

youdao

The captain piped the man down after boat drill .

航行训练后船长吹哨子解散了水手们。

youdao

The muscular man is working hard to control a powerful drill that is cutting through the rock that surrounds him.

VOA: special.2009.03.23

This man does not believe that you can drill faster.

VOA: special.2009.02.21

" One of Kipling's British adventurers, Daniel Dravot, describes Nuristan as a place where "no one has gone ... and they fight, and in any place where they fight a man who knows how to drill men can always be a king.

CNN: Excerpt: 'The Outpost: An Untold Story of American Valor'

Of the mass man, the automated turbine and drill bit and bore, yes?

NEWYORKER: Wiggle Room

Kevin: Oh man, I need to get granular on the latest fire drill.

NPR: Overheard at the Water Cooler (in Cube-Speak)