require(require词性转换)

回答require词性是动词 它可以转换为名词requirement（要求，必要条件 具体要求得事项）,形容词required(必修的，)

例句

①名词requirement

Can you tell me the requirement for my dressing in that party?宴会着装要求。

②形容词required

We have both required and optional courses in school.必修课。