Diamond drill
[医] 金刚石钻
🧩 词语组成解析
diamond
['daɪəmənd]
n. 钻石，金刚石;菱形;方块;
vt. 镶钻石于;用钻石装饰;
adj. 金刚石的;菱形的;用钻石装饰的;
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
and he doesn't know anything
而他毫无所知
I asked him to leave immediately, but he wouldn't.
我请他马上离开，但是他不肯。
Did you find your ticket, sir?
你找到你的票了吗，先生？