1. (男女)同居;姘居：cohabitation 同居 | cohabit (男女)同居;姘居 | community 团体,同一地区的全体居民
2. 同居; 共同存在：Cichlid 丽鱼科鱼 | Cohabit 同居; 共同存在 | Contamination 污染
3. (未婚)同居：chauvinism 沙文主义 盲目爱国主义 | cohabit (未婚)同居 | inhabit 居住
1. (男女未婚而)同居，姘居
If two people are cohabiting, they are living together and have a sexual relationship, but are not married.
e.g. In Italy people hardly ever cohabit...
在意大利，很少有人未婚同居。
e.g. The dentist left his wife of 15 years and openly cohabited with his receptionist...
那个牙医离开了和他生活了15年的妻子，与自己诊所的接待小姐公开同居。
verb
1. share living quarters
usually said of people who are not married and live together as a couple
Synonym: live togethershack up