Firming drill
[机] 形成钻
🧩 词语组成解析
vt.& vi. 使坚固（firm的现在分词形式）
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
What do you think? Does it look promising?
你怎么想？ 希望大吗？
If it doesn't rain tomorrow, we'll have a picnic.
如果明天不下雨，我们就去野餐。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。