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数学期望的意义是什么? “数学期望”是什么意思? UN是什么意思 Ship it是什么意思啊? an ant is in my hat. In.my.house,I.have.a.very .big .bed是什么意In.my.house,I.have.a.very .big . Can you imagine living in the desert for a whole year,watching the activities of a group busy ants?Deborah Gordon did exactly that.She finally found out that there were f 72 main groups of workers in the ant team:cleaners,haulers,gatherers and securi 英语翻译Among these,the world of the ant has come in for considerable scrutiny lately,and the idea that ants demonstrate sparks of cognition has certainly not been rejected by those involved in these investigations. 灯泡流明是什么意思 各类灯每W的流明是多少 MX750灯泡是多少流明的? Must I do my homework at school? (否定回答) l must do my homework对还是l have to do my homework对 for the photo of your school.前面填什么单词，是以t开头的.问你是填啥单词。 Work in a hospital为什么不能用Work on a hospital就是回答别人在哪里工作的时候,为什么在农场工作就是I work on a farm而在回答什么在医院工作跟警察局就是 work in a hospital.在什么样的情况下用on,在什 客不择主什么意思 中国的阴阳五行,“五行”翻译成英文是什么比较好啊?还有“加工作坊”翻译成什么啊? i have been busy these days and i have to sleep ____ (little). 客的反义词“客”的反义词是什么 主的反义词是什么啊? 用英语翻译下列句子：1.辨别是非2.北京在中国的北方3.游泳池在房子的西边4代表 主的反义词是什么 Do you mind if I turn on the radio?Sorry,Uou are berrtr not(英译中） Do you like being affectionate?谁能帮我翻译一下? do you mind if I turn on TV?同义句 I like you are being subtile是什么意思?someone told me that.wow.........my god...that is great to me.....thanks allll~ Do you like being started in public? 哪错了?为什么 T-ara - Why Are You Being Like This 歌词 diary of wimpy kid Diary of a Wimpy Kid外文原版一共有多少本 Diary of a Wimpy Kid 英国版与美国版 哪个好 （急需）diary of a wimpy kid主要说了什么? 答案是中文也可以,英文也可以!其实,我是一个刚来美国的中国人.我们学校叫我们读一本书,就是《diary of a wimpy kid》我真的不懂什么意思,我们老师还叫