请解释 SHE 和HER 的区分啊谢谢

请解释 SHE 和HER 的区分啊谢谢 he/his和she/her的根本区分 英文高手来区分这几个词pool pond laker 他们的区别是什么啊?请详细解释,谢谢~~! 如何区分 current voltage和constant voltage ?很急啊,在线等,请有耐心的朋友帮我们这种理白的女生解释一下吧!谢谢! AS和 WITH都表示“随着”的时候怎么区分?谢谢啊如一选择题：...,but ( )she got older and older,her hair went darker and darker.A with B as 答案是B .with 和as 都可以翻译成“随着”,那为什么这里要选as呢? 还 怎样区分：he/his/she/her 怎样区分平年和闰年?并请附上平年和闰年两者的详细解释. she和her如何区分?May I sit between you and her?为什么不是she?如何区分,分别在什么情况下使用? 词语意思区分质疑 和 置疑 请解释的通俗易懂一点 She was like her mother last year , but she is like on one this year . 请翻译并解释后半句的语法结构 for her和for she的区别 hometown和homeland的区别请解释详细一点,谢谢 To her s___, her son has passed the most difficult exam.请简单解释原因,谢谢~ it was not____ she took off her dark glasses__i realized she was Mary.答案是until,that 但为什么是that,而不是when,本人对定语从句和状语从句很迷糊请高手详细点播作一下区分 区分硬水和软水的方法过程是物理变化还是化学变化,请解释一下原因,谢谢! 建筑工程的投标截止日期和投标有效期怎么区分?请详细解答 谢谢 When she saw the teacher coming towards her she knew she was in big trouble,she knew后面是从句吗?这是个什么句子?knew和was不是两个谓语吗?请哪位高手详细解答一下,谢谢! 区分不合格和不合格品请解释得详细些,而且能通俗易懂!最好还有举例说明下面谢谢三位朋友的回复,不过能不能举例说明哪些分别属于不合格和不合格品?