Buur drill
[医] [牙]钻
🧩 词语组成解析
drill
[drɪl]
n. 操练;钻头;军事训练;（应对紧急情况的）演习;
vt.& vi. 钻（孔）;打（眼）;操练;训练;
vt. 作…演习，操练;
🗣️ 情景例句
He never married.
他没有结过婚。
His bad English is a bar to his getting a job.
他的英语很差，这是他找工作的一个障碍。
Could I drop in at your house after the concert, or would that be too late?
我可不可以在音乐会开完后去你家拜访？那会不会太晚了？