detachment
/dɪˈtætʃmənt/noun
1
- 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。
2
- 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。
2.1
- 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。
3
- 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。
词源
mid 17th cent.: from French détachement, from détacher 'to detach' （see DETACH）.