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想学GRE,在电脑上用什么词典比较好?想要一个专业一点儿的词典,释义全,例句丰富,因为GRE考的单词大都是僻义,最好有离线语音库. "what a small world"有语法错误吗?是中国式英语吗？ 成语"歇斯底里"是什么意思? 选择三道 这三道选择怎么做 am ( )my dictionary?A.look for B.LOOK for C.look Dlooking 选一个 if you believe it's ture and if my heart's in you.求歌名if you believe it's ture and if my heart's in you.no matter what you do,you'll never face it alone是美剧GOOD LUCK CHARLIE第一季 19集里teddy 唱的 想知道是什么歌? 3道选择! 每个人都是过客,来的匆匆,去的也匆匆.但我们该如何看待这些生命的过客呢? 什么叫做1度的弧,不会别瞎答,这是道填空填空题：定义：____________________,叫做1度的弧 每一条弧都叫 什么叫弧 千里江陵一日还中的一日还是什么意思? 千里江陵一日还 孓在川上日逝者斯夫不舍昼夜探源这旬话有几层涵意 See all the ways you can stay connected to friends and Della stood on the platform ___ goodbye to her husband until the train was completely out of sight.A waved B to wave C having waved D waving we _____ the airplane until it was out of sight.A.watched B.looked C.saw D.noticed It lasts the whole day without dissolving. 牛津6B Which is wider ,a river or a stream ___________ 我不知道是河流宽还是小溪宽? 什么叫埋弧,是炼钢中钢包的一个术语?~~ Which is higher-- the Rockies in North America or the Andes in South America?顺便翻译一下这两座山的中文 . Alice is tired and has a lot of _______________ . (head) 适当形式填空 逝者如斯夫?斯夫是何意思?详, 红色心灵 The Journal of Vacuum Science and Technology B是哪个出版社的啊 做心灵的富翁800作文议论文 Journal of Mechanical Science and Technology ( KSME Int.J.),Vol.19,No.5 怎么翻译?急用, 什么叫平分弧的直径平分这条弧所对的弦?不明白什么叫平分弧和平分弧的直径.这句话也不理解!帮帮忙把! 什么叫平分弧的直径平分这条弧所对的弦2? 什么叫融化极氩弧? 有向边也称弧,边的始点称为弧尾,终点称为弧头.为什么始点叫弧尾呢,端点叫弧头,会不会反了啊?RT