是on a field trip,还是 in a field trip

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• 最最感动你的英文诗在我读过的英文诗中,最最让我感动的有两首.一是：· Dreams 梦想---Langston HughesHold fast to dreams 紧紧抓住梦想, For if dreams die 梦想若是消亡Life is a broken-winged bird 生命就象鸟儿折了翅膀 That can never fly. 再也不能飞翔 Hold fast to dreams 紧紧抓住梦想,For when dreams go 梦想若是消丧Life is a barren field 生命就象贫瘠的荒野,Frozen only with snow 雪覆冰封般慢长二是： The furthest distance in the world By Tagore The furthest distance in the world Is not between life and death But when I stand in fr
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• All things considered,the planned trip will have to cancelled关于这道独立主格题,considered可不可以换成having considered,因为我认为考虑是在前,有先后顺序不是应该加having的?求指导!
• 关于螺线管磁场计算的问题 求教了The cross section above shows a long solenoid of length l and radius r consisting of N closely wound turns of wire.When the current in the wire is I,the magnetic field within this solenoid has magnitude Bo.A solenoid with the same number of turns N,length l,and current I,but with radius 2r,would have a magnetic field of magnitude most nearly equal to (A) Bo/4 (B) Bo/2 (C) Bo (D) 2Bo (E) 4Bo是说通电螺线管是2R吧 一楼 ..
• 复制到word的英文 有的单词之间是一个空格 有的是两个空格怎么改?像下面的例子怎么改成标准格式The Interpretive Theory of Translation is one of the most frequently quoted theories in the field of interpreting and translation.It emphasizes the communicative nature of interpreting and translation,regarding the interpreter or translator as its subject of analysis.Due to its scientific analysis and pragmatic mechanism,it has already become a guideline of teaching and training interpreters and translat
• This is a photo i took during my trip to japen这话是新概念上面的意思是：这是我到日本旅行时拍的照片.那个TOOK不是take的过去式吗,在这句话为什么要有它呢?i shaved it off when i came home.意思是我回到家就把它（胡子）刮掉了.请问 when干嘛会出现呢,那是不是在这里 TOOK 就是表示去的意思呢
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• "日照之旅"用英语怎么说?是"Rizhao trip"吗?还是"The trip for Rizhao"?
• on the field 还是in the field 意思是在田野
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