1. Withdrawal usually refers to water removed from a source and used for human needs. 回收水通常指那些从一个水源地移走，且供人类使用的水。
2. Gas Withdrawal Valve (11): This valve allows gaseous product withdrawal through the internal vaporizer and/or the economizer. 气体提取阀（11）：这个阀门允许通过内部的蒸发器和/或节热器来提取气体产品。
3. In psychiatry generally, the term autism refers to apparent withdrawal from the outside world, self absorption, and lack of communication with others. 在精神病学中，自闭症这个术语通常是指表现自外界环境退缩，自我专注，并缺乏与他人的交流。
英英解释
n.
1. a retraction of a previously held position
2. the act of taking out money or other capital
3. the act of withdrawing
4. avoiding emotional involvement
5. formal separation from an alliance or federation
6. the termination of drug taking
