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 tomorrow morning we'll all meet here to discuss the plan?
是不是明天早晨我们都聚到这里来讨论整修计划
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
She's beginning to move a little.
她开始有点能动了。