微笑面对一
你知道吗Do you know双语对照你知道吗did you know双语例句1你知道吗,你借给我的那本书真的很怪诞。You know, that book you lent me is really bizarre.2我多大了?你知道吗?How old am I? Do you know?3你知道吗?我下午要去看马戏。Do you know what? I'm going to the circus this afternoon.
一森有你
极米,多留个心眼,多比比就没错:网页链接
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这个式子在数学上叫二元二次方程,二元表示这个式子里有两个未知数x和y,二次表示这个式子中最高次数为2次,比喻x²和y²。在高等代数中它是一个开口向上的抛物线(这个你现在还不理解,不解释了)xy=x×y(表示x和y两个数相乘,如果x和y是已知的数,则就可以求出结果,这里求不出来)x和y分别又等?(这里的x和y都是未知数,无法求出,只有加入更多的条件才能求出)如果x和y不变那么中间的xy是不是也不变?是对的假如xy分别等于3和5,那么中间xy=35么?是错的假如x=3 y=5xy=x×y=3×5=15
yangyang2336903
英文翻译为:Do you know?
短语
Do Not You Know 难道你不知道
Why do not you know 你为什么不知道
You do what you know 你做你知道些什么
经典例句
权威例句
1.So how do you know if your best supplier or customer is about to hit the skids? FORBES: Small Biz Bum Alert
2.How do you know the people taking the course is who they say they are? FORBES: MOOCs Are No Education Panacea, but Here's What Can Make Them Work
3.How do you know if your network is strong enough to support you professionally and personally?