Tool shanks and draw-in must have a central through bore.

刀柄和引入轴必带一个穿过钻孔的中心点。

youdao

The drill is strong enough to bore through solid rock.

这把钻足以钻透坚固的岩石。

《牛津词典》

Fierce pains of concentration shot across my forehead, but I bore down and heard them running through the snow in the distance.

集中注意力后，我的前额蹿起一阵剧痛，但我忍住疼痛，听到他们在远处踏雪奔跑。

youdao

The men have been trapped in the desert copper-and-gold mine since an August 5 cave-in and are surviving on supplies funneled to them from above ground through three bore holes, each about 4 inches in diameter.

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About 2, 400 barrels of oil had escaped through the well bore, seeped up into the rock, then escaped through fissures in the seafloor.

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Supplies -- such as food, clothing and letters -- are sent down to the miners via metal cylinders known as "carrier pigeons" through the second bore hole.

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