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
I take care of both to the best of my ability.
我尽我所能把两方面都照顾好。
There are many wild blackberry bushes along the road.
路旁有许多野生的黑浆果灌木。
After a short while he started directing films himself.
不久，他开始自己导演电影。