Pre-drilling
n. 打超前钻眼；打井口眼
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
drilling
[['dirliŋ]]
n. 演练\\n[医] 钻
🗣️ 情景例句
and I care about you,
也关心你，
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
Well, I haven't got much either!
唉，我也不多了。