Burr drill
[医]牙钻
🏥 医学释义
牙钻，圆头锉
🧩 词语组成解析
burr
[[bə:]]
n. 毛边, 钻孔器, 芒刺\\nv. 发音含混地说话
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
Something else I was wondering about was...
我想知道其它事是^
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
By then, however, in many places the grass had already taken root.
然而到那时，很多地方的草已经生了根。