extraction

extraction
noun
[mass noun]
  1. the action of taking out something, especially using effort or force
    拔出;提取
    mineral extraction.
    采矿。
    [count noun]a dental extraction.
    拔牙。
  2. [with adj.]the ethnic origin of someone's family
    家世,祖系;血统
    a worker of Polish extraction.
    一位波兰血统的工人。
语源
  1. late Middle English: via Old French from late Latin extractio(n-), from Latin extrahere 'draw out' (see extract)
英语宝典
考试词汇表