Words and Expressions 22.extraction n.萃取，提炼，取出 extract:To obtain from a substance by chemical or mechanical action,as by pressure,distillation,or evaporation. 榨出，提取，蒸馏通过化学作用或机械作用从某物质中获得，如 通过压榨、蒸馏或蒸发 23.leaching n.滤取，滤去 leach To remove soluble or other constituents from by the action of a percolating liquid. 过滤通过渗透液体使可溶解的或其他成分分离出来 24.inc0mmon共同，共用 22. extraction n.萃取，提炼，取出 extract: To obtain from a substance by chemical or mechanical action, as by pressure, distillation, or evaporation. 榨出，提取，蒸馏通过化学作用或机械作用从某物质中获得，如 通过压榨、蒸馏或蒸发 23. leaching n.滤取, 滤去 leach : To remove soluble or other constituents from by the action of a percolating liquid. 过滤通过渗透液体使可溶解的或其他成分分离出来 24. in common 共同 , 共用 Words and Expressions