withdrawal

n. 撤退，收回；提款；取消；退股

英文词源

withdrawal (n.): 1820s, "act of taking back," also "retraction of a statement," from withdraw + -al (2). Earlier words in the same sense were withdrawment (1640s); withdraught (mid-14c.). Meaning "removal of money from a bank, etc." is from 1861; psychological sense is from 1916; meaning "physical reaction to the cessation of an addictive substance" is from 1929 (with an isolated use from 1897; withdrawal symptom is from 1910). As a synonym for coitus interruptus from 1889.

1. If these drugs are stopped abruptly then some withdrawal symptoms may occur.: 如果突然停服这些药，则可能出现一些戒断症状。

3. Withdrawal from heroin is actually like a severe attack of gastric flu.: 戒断海洛因的过程实际上就像患了一场严重的胃肠型流感。

4. The Liberal leader has announced his party's withdrawal from the ruling coalition.: 自由党领袖已宣布该党退出执政联盟。

5. If you take these drugs continuously, withdrawal must be tapered.: 如果你一直在服用这些药，停药时一定要逐渐停。