词义上的区别
protect：vt.保护; 保卫 prevent：vt.预防
搭配上区别
protect sb/sth (against/from sth) 保护...使免受伤害
prevent sb/sth (from doing sth) 阻止...，防止...
protect例句
These regulations were made to protect women.
这些规则是为保护妇女而制定的。
The regulations are made to protect women's and children's rights and interests. 制定这个规定是为了保护妇女儿童的权益。
prevent例句
We must prevent the trouble from spreading. 我们必须防止这个乱子扩大。
He is prevented by law from holding a licence. 法律不准他持有执照。
