n. a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
n. 监牢, 监狱, 拘留所
vt. 监禁, 下狱
1. He was sent to jail for stealing a car.
他因偷车被送进监狱。
2. The police are trying to catch the man who escaped from jail.
警方正在试图抓住逃出监狱的那个人。
3. She visited her friend in jail last weekend.
她上周末去监狱看望她的朋友。