1660s, "action of detaching," from French détachement (17c.), from détacher (see detach). Meaning "portion of a military force" is from 1670s; that of "aloofness from objects or circumstances" is from 1798.
实用例句
1. One detachment pushed into the eastern suburbs towards the airfield.
一支小分队开进了东部郊区向飞机场挺进。来自柯林斯例句
2. Ridley viewed his work with a cynical detachment.
里德利以一种吹毛求疵的超然态度看待他的作品。来自柯林斯例句
3. He answered with an air of detachment.
他回答时带着冷漠的神态。来自《权威词典》
4. The detachment of cables from the computer will take an hour.
将电缆线从计算机上拆下来需要一小时.来自《简明英汉词典》
5. The detachment made a rapid march of 100 li in one night.