Pre-drill
预钻孔
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
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
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
Ill deeds cannot honour.
坏行为不受尊敬。
Oh, it's a short ruler. Who has a long one?
噢，这是把短尺。谁有长尺？