If you disengage something, or if it disengages, it becomes separate from something which it has been attached to.
例句
She disengaged the film advance mechanism on the camera...她松开了照相机上的送片装置。John gently disengaged himself from his sister's tearful embrace...约翰轻轻推开抱着他哭泣的妹妹。
VERB
(军队)撤军
If an army disengages from an area, it withdraws from that area.
例句
...the evident desire of both superpowers to disengage from Afghanistan...两个超级大国都想从阿富汗地区撤军的明显意愿More vigorous action is needed to force the federal army to disengage.需要更强有力的行动来迫使联邦军队撤军。