unattached
adj. 独立的；未订婚的；未被查封的；未任命的
例句
I knew only two or three unattached men.
我只认识两三个未婚男性。
《柯林斯英汉双解大词典》
He was still unattached at the age of 34.
他34岁时还是单身。
《牛津词典》
Get a free, unattached reserved IP address.
获取一个空闲的、未连接的预留ip地址。
