noun [抽象名词] 选段，引文；提取物，汁
Petroleum engineers plan and manage the extraction of oil. 石油工程师们规划并管理石油的提炼。
verb [vt. 及物动词] 提取，提炼；取出，拔出；摘录；索取，设法得到；开（方），求（根）
If you extract something from a place, you take it out or pull it out. 取出• He extracted a small notebook from his hip pocket. 他从臀后口袋拿出了一本小笔记簿。
