Adamantine drill
[机] 金钢石钻头
🧩 词语组成解析
a. 非常坚硬的, 坚定不移的\\nn. 金刚硼
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
Have some iced tea.
喝点冰茶吧。
All our work was in vain.
我们白干了一场。
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。