你知道他在这里住了多长时间了吗?
研究人员询问他们是否午睡以及午睡多长时间。
他们询问了年龄在13岁到18岁之间的学生,问他们需要花多长时间在手机和电脑上获得乐趣。
They asked students aged 13 to 18 how long it takes them to have fun on phones and computers.
这会防止你在上课的头几天里迷路,并使你熟悉从一个地方到另一个地方需要多长时间。
This will prevent you from getting lost in the first few days of classes, and familiarize you with how long it takes to get from place to place.
你做运动需要多长时间?大约二十分钟。
现在,你知道,人们平均每天花多长时间上网吗?
Now, do you know, on average, how long does someone spend surfing the net each day?
你能告诉我获得学生签证需要做些什么,需要多长时间吗?
Could you tell me what I have to do to obtain a student visa and how long the process will take?
迈克尔已经准备好了:他想看看自己飞10亿英里需要多长时间。
Michael was ready: he wanted to see how long it took him to do a billion miles.
达尔文和赫胥黎肯定了约翰·乔利计算的地球年龄的准确性,因为这与他们关于进化进行了多长时间的观点不谋而合。
Darwin and Huxley supported the accuracy of John Joly's calculation of Earth's age because it agree with their view of how long evolution had been in progress.
镶齿冠需要多长时间?
警察通常工作多长时间?
每节健身课持续多长时间?
你小学毕业有多长时间了?
土豆在锅里要煮多长时间?
彼得在英国总共待了多长时间?
史密斯先生的课要花多长时间?
李时珍花了多长时间写《本草纲目》?
How long did Li Shizhen spend in writing Compendium of Materia Medical?
利物浦博物馆每天开放多长时间?
从你的家乡飞到北京要多长时间?
How long will it take you to fly to Beijing from your hometown?
找到一头合适大象花了多长时间?
他离开这所学校有多长时间了?
莉莉,你每天花多长时间在微信上?
公司要花多长时间生产出15个移动房间?
How long did it take the company to produce 15 mobile rooms?
J·K·罗琳写《哈利·波特》系列花了多长时间?
How long did it take J. K. Rowling to write the Harry Potter series?
电视节目《超强大脑》多长时间播一次?
你们学校的学生每天做多长时间的户外活动?
How long do the students in your school do outdoor activities every day?
达瑞斯花了多长时间才学会弹奏《你的心河》?
How long did it take Darrius to learn to play River Flows in You?
孩子们通常参加多长时间的睡眠方式夏令营?
从广元到成都(约290公里)坐直达快车需要多长时间?
How long will it take to travel from Guangyuan to Chengdu (about 290 km) by Direct Express Train?
从广元到成都(约290公里)坐直达快车需要多长时间?
How long will it take to travel from Guangyuan to Chengdu (about 290 km) by Direct Express Train?
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