Of 27 new wells drilled, 16 have proved exploitable.

在27个新钻的井中，16个已被证明是可开采的。

He drilled through the wall by mistake.

他误将墙壁钻穿了。

He drilled into the wall of Lili's bedroom.

他在丽莉卧室的墙上打孔。

It was drilled into us at an early age never to drop litter.

我们从小就被叮嘱绝不能乱扔垃圾。

They drilled through several layers of rock to reach the oil.

他们钻透了几层岩石寻找石油。