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
Oh, that's not all.
噢， 还没完呢。
The amount you want to transfer.
您要转帐的金额。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。