已知椭圆的焦点是f1f2

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Tim is with his aunt 此句中文 玻璃不碎 歌词 男人和女人谁脚大? 房子东南西北的朝向怎么看 怎么简单的分东南西北,还有东南西北跟房子的阴面和阳面有关系吗?是什么关系?希望详细点.急学室内设计,感觉连这个都搞不清楚很失败. 在房间里怎么区分东南西北. wait a minute.don't cross the street the traffic lights are green )处可以填until那么还可以填before吗 为什么 -- hurry mum the bus is coming -- wait a minute dear you --- cross the street until the traffic li-- hurry mum the bus is coming -- wait a minute dear you --- cross the street until the traffic lights are greena\ mustb\ needc\ must notd\ need not说 you are a stupid wo man are you a musician? 翻译! The girls are having fun over there对画线部分(having fun)提问 陪嫁妹是什么意思 求英语对话 ARE YOU STUPID?有人问ARE YOU STUPID?怎么回他,用英语的回,不带语言攻击的。要大写的 英语翻译 英语翻译今天看到一个句子“Some preschools plan to eliminate this downtime to fit in more teaching which could come at the expense of learning”.这句话给的翻译是 “一些学前班计划取消午休(上文中提到的)而安 英语翻译Although an author repeats that he is a reticent uncle in his book,he makes a persuasive case to prove the safety of mutaing genes to create new foods in his book.我的理解是:虽然作者重复他是个沉默的有保留的叔叔在 英语翻译It was a great surprise to scientific circles and a significant contribution to the world.When the Nobel Prizes were establishedin 1901,.Roentgen was the first to receive the prize for physics. the children packed their schoolbags,()their coats and went out.这个里面为什么不能填had on?had on的用法是什么,求详解life ()ups and downs,my friend,is fill of;is full of;is filled of;is full with应该填哪个?其他不能选的为 激光的空间相干性?我知道对于激光有时间相干性的说法,但是激光有没有空间相干性这个说法呢? 请教这句话的翻译:these days are best used for revision and refinement than brand new endeavors. class_____over.wang bing is _____after lin tao near the window.helen and nancy_____reading picture books____the classroom. 我想你了,你快回来吧!英文怎么说 你快回来,不要离开我,求你快回到我身边!的英语怎么说! 我想对你说,你快回来吧用英文怎么写我想对你说,你快回来吧,我依然爱你 女方嫁妆陪送被子,让男方送做被子用的棉花.是这样的吗? 问了身边的朋友没有这样的啊.谁知道现在棉花的价格?顺便也说 美国独立战争是谁和谁打?原著民与反抗英国殖民者统治不是么?美洲大陆原住民不是印第安人么?为什么是白人与白人打? great 求一篇关于My hero的英语作文明天要交急需👀 楱杌 是什么? 楱杌 怎么读?楱杌该怎么读啊是 couwu?还是zouwu? 春风拂柳江山秀 细雨润花满堂红的横批可以不带春字吗?、、 I'd like to make friends who are different from me.(对划线部分提问)划线部分是:who are different from me是填空的:____ _____ ______ friends would you like to make?