英语短语词组词汇drill down的音标、释义、翻译、用法及例句-英语短语词组词典

短语	drill down
释义	drill down 向地下深钻，钻深孔： The oil workers had to drill down 500 feet to find oil. 石油工人不得不深钻500英尺才找到石油。
随便看	active program active prominence active prominence region active reason active region active region filament active regions active remedy active repeater actives active satellite active science active service active services active site active sites active sleep active sludge active sonar active substrate active sun active suspension active system active technique active title

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。