Drill bushing
[机] 钻头夹头
🧩 词语组成解析
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;
n. 轴衬, 套管\\n[化] 衬套; 管衬; 轴瓦
🗣️ 情景例句
What is the cost?
费用是多少？
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
French test are awful, aren't they?
法语太可怕了，你说呢？