release和relax的区别？

release:
放松,松开;发射,投掷
He quickly released her hand.
他很快地放开了她的手

relax:1. 使松弛,使松懈,放松
He lagged far behind his classmates because he had relaxed his efforts.
他因为放松了努力,故远远落后于班里同学。
2. 缓和;放宽;减轻
The judge relaxed the rules.
法官放宽了规则。
3. 使轻松;使休息
She relaxed her mind by listening to music.
她听听音乐使大脑得到休息。

前者是放开 后者是放松(心理上的)