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
Hello, it's good to see you again.
很高兴又见到你。
Every extremity is a fault.
万事过分都差误。
Do you mind if I smoke?
我吸烟你介意吗？