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
I should have quit while I was ahead.
我应该见好就收。
There's a shuttle bus we can use.
我们可搭乘机场班车。
What's up?
有什么事吗？