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
and gave thanks.
感恩。
That was clever the way you worked out your problem.
那是解决你的问题的好办法。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。