向量OA -向量OD 向量AD

英语翻译let's face it,too many parents are living vicariously(这里,如标题该如何翻译呢?) through their children.请帮忙翻译这段话,并重点解释我提问的部分, 球就是圆吗 为何球一定是圆的?为什么大多数球是圆的?大家讨论下``[em02][em01] array [Boolean] of Integerarray[boolean] of integer;delphi中这句是什么意思,请解释具体点, pascal数组中dy:array[1..4] of integer=(0,1,-1,0);这个=（1,0,0-1, 谁告诉我一些类似于Don't Stop the Music和We Will Rock You的歌就是很DJ的歌,听上去很动感!很震撼! 选择题球就是圆对吗 速求如 we will rock you 的震撼的音乐! 写几句话或者最好是一首诗表达我愿意等她,即使她有对象了最好在有点押韵啊 我爱李丽,谁能帮我用一首诗或一首词来表达,最好把她的名字也表达出来.谢谢!有没有更好的呀!谢谢! 为什么球是圆的 can you feel the impact of modern technology on teaching and learning in your university? Eighth Dimension什么意思?有什么另外意思吗引申意思哦，希望得到大家的帮助！ 球为啥是圆的?你说它为啥圆? 球为什么是圆形的? 球圆形?为呢 语法问题of which there were eighteen within the town limits alone为什么有2个动词Instead our lives were centered around the churches,of which there were eighteen within the town limits alone. How to control their emotions?Every time they do not want to speak,but each time the control is not good…… Emotions rule their decisions.如何翻译? he enjoys ()with his friends 球是圆吗? The like has no reason alone?是什么意思 an assortment divide的问题A fence separated the cows from the pigs.围栏把奶牛和猪分开.divide the patients from the others 隔离病人 divide和separate有区别吗 i fell i must trying to find out the way what is the effect of work.and c :I’m examining the article he has just finished _____ the possible mistakes in it.选项:a、being corrected b、 to correct c、corrected d、 having corrected 选哪个?为什么?请分析并翻译整句 work有起作用或生效的意思 effect有产生效果的意思 那么该如何区分呢? There is an assortment of styles and colors. He thought he should have ____ try.英语填空otherthe otherothersanother “比我想象中要难”用英语怎么表达?是it is harder than i have thought He likes taking a photo.(加both变为复数） Q RT PCR的方法 relative qualification 和 absolute qualification分别是什么意思我google和维基都找不到,老师也不讲,书上也没有.