[mass noun]the state of being objective or aloof 客观;超然 he felt a sense of detachment from what was going on. 他对正在发生的事情有一种与己无关的感觉。
(Military)a group of troops, aircraft, or ships sent away on a separate mission (军)独立小分队;特遣飞行队;特遣舰队 a detachment of Marines. 一支海军陆战队特遣队。 [mass noun]the Squadron went on detachment to Malta. 飞行中队被派遣到马耳他执行独立任务。 ■a party of people similarly separated from a larger group (从大队中分出的)小队人员 a truck containing a detachment of villagers. 一辆载着一小批村民的卡车。
[mass noun]the action or process of detaching; separation 分开;分离 structural problems resulted in cracking and detachment of the wall. 结构问题导致墙壁断裂。
语源
mid 17th cent.: from French détachement, from détacher 'to detach' (see detach)