请说说这个句子的意思和用法.We will help her if she asks us to.

请说说这个句子的意思和用法.We will help her if she asks us to. There wil have和There be going to的区别意思和用法的区别 We think we can come back at about six o`clock in the evening .在这个句子 on ,at ,in ,for的意思和用法 请说说exportability详细意思,用英文解释一下和它的用法 they的用法和句子和意思 泡打粉的用法和功效是什么请知道的说说 请具体说说will 和would的用法, but we could go swimming请解释下COULD的意思和用法 还有是什么语法 高中英文句子解析as+many(much)+n+as.这个结构的意思和用法是什么? None of us stopped to think and we should have.解释一下这个句子意思,并说明we should have 的用法 阅读这个词语的用法和意思 force push drive都有强迫的意思,请问他们的用法与区别请列出相关词组和阐明意思说说他们的区别 英语：identify这个词都有什么意思我觉得不只是词典上的哪些意思,经常能见到它,请说说它的解释和用法,越多越好. 谁能够帮我翻译下面的句子,说说with在这个句子中的意思和词性,谢谢!With many household products, it is one area where we have some control via paying attention to which products we use and how we store them. when和while的用法,下面句子能互换吗?While we were having breakfast,Tommy found two small coins on the floor.--句首“while”能换成“when”?---------------------------------------希望能说说他们的用法区别, besides的中文意思,并说说用法 He looks at me with respect as a human being.请翻译,说说respect,as a human being的用法和意思. We have since confirmed that……中“since”的意思和用法是什么?We have since confirmed that……这个句型中,“since”的意思和用法是什么?