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'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
The Beatles represented part of the spirit of their age.
甲壳虫乐队代表了他们时代的部分精神。