ur的中文解释?答:be (be/is/are/am/was/were) [bi:] vi he is, we are, you are, they are (缩略式 I'm, you're, he's, we're, you're, they're), (否定缩略式 I'm not, isn't, aren't),过去时 I was,you were,he was,we were,you were,they were (过去时否定缩略式 ...
ur是you are的意思,还是your的意思?答:be (be/is/are/am/was/were) [bi:] vi he is, we are, you are, they are (缩略式 I'm, you're, he's, we're, you're, they're), (否定缩略式 I'm not, isn't, aren't),过去时 I was,you were,he was,we were,you were,they were (过去时否定缩略式 ...