分析一下以下这句英语句子This is when small amounts of gases in the atmosphere,like corbon dioxide,methane and water vapour,trap heat from the sun and therefore warm the earth.这里的when是什么?

分析一下以下这句英语句子This is when small amounts of gases in the atmosphere,like corbon dioxide,methane and water vapour,trap heat from the sun and therefore warm the earth.这里的when是什么? 以下两个英语句子帮我分析一下.谢谢what you get is a livng. 获得是一种生活方式/生存.what you give is a life. 给予是一种生命价值.以下两句为什么要用特殊疑问词waht ? 请英语达人帮我分析一下这个句子结构Weather she will come or not is unknown 这句是什么从句?是怎样分析出来的呢? A joint is where two bones meet 这句子属于什么重句?请分析一下, 这个英语句子的成分 这是什么句 帮我分析一下Seldom is the weather more dramatic than when thunderstorms strike. 结构复杂的简单句分析、谁能帮忙分析一下这英语句子?的主谓宾According to this view,creating health for people means providing medical care to treat or prevent disease and illness 分析一下这句的句子结构,为什么results后直接接from?this results from several factors. he is finding this trip very exciting新概念英语中的一句话,我想请高手分析一下句型,句子的结构,为什么需要用现在时态呢?这句话是不是可以表达为：He feels this trip very exciting 帮忙分析一下这个句子的语法错误.This is what is now deeply afflicting me. 请问英语句子中that is causing this的分析IF there is some difficulty you are facing that is causing this 此句中 that is causing this修饰的那个词,是什么用法? This is more than my suit cost . 我想问一下,这句话的句子结构怎么分析? 按要求改写以下英文句子：Whose school bag is this?（改同意句） 请求帮我分析一下这句句子的成分 This is a place where rigorous academics,superior skills training and close interactions with faculty produce a distinctive,personalized approach to your professional education. 外语学习 This is right the right way he speaks English.麻烦帮忙分析一下这句句子语法结构看看有没有错误.如果没有,那么说说这里的两个right是怎么回事?文明交流, is this umbrella yours 谁能教我为什么是yours .分析一下这个句子的结构 This blouse is made of (wool).为什么不能用 (wools)?麻烦分析一下句子结构! This library is the one where you always borrow books?分析一下这个句子 This is a red sun.请帮忙分析一下句子结构 主谓宾是什么