Pre-drilling
n. 打超前鉆眼；打井口眼
?? 詞語組成解析
abbr. 煉油工程師（Petroleum Refining Engineer）
drilling
[['dirli?]]
n. 演練\\n[醫] 鉆
??? 情景例句
I want to buy shares in multi-national pharmaceutical company.
我想購買一家跨國醫藥公司的股票。
A penny saved is a penny gained.
省一文是一文。
Is the fire out?
火熄了嗎？