利用三重积分求体积

求翻译高手!child abuse 和child maltreatment 有什么差别child abuse 和child maltreatment 有什么差别 ,翻译碰到一句话,some people refer to child abuse as child maltreatment.这句话怎么翻译? I have been to Beijing three times与I have been to Beijing for three times意义一样么?其中的“for”是加不加都可以 还是必须加 The number of speakers of English in Shakespeare’s time is estimated(估计) to have been about five I have beent to Beijing for three times.I have been to Shanghai for once.这两句话对么?是不是不能加for 为什么不用加for啊? A number of students in this class _____ to Beijing once or twice A.were B.have been为什么选B?A不行吗 Limits have been set for the number of fish to be caught at one time.为什么是to be caught? 要用不定式? 英语翻译rt 英语翻译请问下面这句话翻译成中文是什么,A trip to the moon goes wrong.Is this the beginning of the end for the earth? Bill likes dogs because they are very friendly对 because they are very friendly提问 they are very kind and friendly是什么意思 1、Elephants are very friendly and they like ______ grass.2、I like reading English in the morning.划线部分是reading English ,对划线部分提问.____ do you like _____in the morning?3、Where are the pandas come from?(哪里错了,应改成 英语 ：They were very friendly .改为一般疑问句very friendly They are very friendly to her中的句型 the last few years have seen.是固定搭配吗?这算拟人吗?这种句子一般怎么翻译？ The last thirty years have seen the greatest number of laws ___ our rights and progress.A to stop B stopping B being stopped D to be stopped麻烦会的人说一下选什么的理由 为什么不用has 时间作主语不是用单数吗?The last thirty years have seen the greatest number of为什么不用has 时间作主语不是用单数吗?“The last thirty years (have) seen the greatest number of laws stopping out rights and p The last thirty years have seen the greatest number of laws stopping our rights and progress 的谓语The last thirty years have seen the greatest number of laws stopping our rights and progress 这个句子是高一的,老师说用see有拟人色彩 The last five years have seen many disasters in China.这句话的have为什么不用单数? there are many like TOM as children 的翻译 not all heavy children have weight problems like adults翻译 【英语翻译】how many of the four students like friends who are like them? 英语翻译do you like children?do you have free time in the afternoon?we need a babysitter for our son.he is six years old hour s are from 3 p.m.to 8 p.m.monday to friday .sometimes you must work on weekends .the pay is 10 per hour.for the job,you 英语翻译think like a man ,smile like a child这句中的man是什么意思？ 车的内部结构解释图 开水器内部结构是怎么样的? 电机内部结构图, 你怎样理解安全意识的概念 请问是口译好些还是笔译好一些? 大家知道是学了笔译才能学口译吗?最近想考口译了~ 关于口译和笔译先不谈工资.在有能力的前提下,哪个工作量哪个更大?更累 220v交流接触器接线图.我有一个启动开关.一个停止开关.一个接触器.线圈是220v的.现在要控制40个日光灯.要自锁.求接线图.不要原理图.不要380v的.要标明常开触点.A1.和A2具体位置在哪.因为每个 220v交流接触器实物接线图