n.钻孔机；钻床；钻探工
driller例句
At six we were fallen in for drill.
六点钟我们站好队准备操练。
The sound of that drill jangles horribly on the nerves.
那台钻机的声音响极了，十分刺耳。
You'd better set a goal before you start the drill.
练习开始前，你最好设定一个目标。
After a long drill he told the squad to fall out.
操练了好半天之后，他让这个班解散了。
She had lots of drill in listening.
她在听力方面受过许多训练。
This drill can bore through rock.
这台钻机能钻透岩石。

driller