动词

不及物动词

约定

伤心

接受邀请

1. （be的复数和第二人称单数现在时形式，口语中在代词后常略作-’re）
Are is the plural and the second person singular of the present tense of the verb be .Are is often shortened to -'re after pronouns in spoken English.

1. a unit of surface area equal to 100 square meters

Synonym: ar