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地图和指南针a map and compass我们不得不依靠指南针和不错的运气找到这儿来。We had to rely on a compass and a lot of luck to get here.指南针是源出于中国的发明.The compass is the invention that China is started in the origin....
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stub的现在进行时为：stubbing...
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mellow的第三人称单数（三单）为：mellows...
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一天的剩余时光好像常常是乏味或令人沮丧的。The rest of the day'sactivities often seemed drab or depressing.这是个让人沮丧的失败。It was a dismal failure.玛尔塔一副沮丧的模样。Marta looked upset....
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scratch的复数形式为：scratches...
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n.类似胡须的生长物...
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vt.把…做成流线型，使现代化，组织，使简单化n.流线，流线型...
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“线形”的拼音为：xiàn xíng...
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“抗辩”的英语可以翻译为：contradict，speak out in one's own defense，[律] counterplead，demurrer，answer ...
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此刻大雨滂沱。The rain now was pelting down.大雨滂沱, 我们全身都湿透了.The rain fell in torrents , insomuch that we were wet through.大雨滂沱.The rain came down with a vengeance....
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The advances in the process technology for the enzymatic synthesis of cephalexin are reviewed.综述了酶法合成头孢氨苄的工艺方法研究进展.Diglyceride, a kind of metabolic intermediate of oil & fat , can be produced biochemical and enzymatic sy...
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harpes的音标：harpes的英式发音音标为：['hɑ:ps]harpes的美式发音音标为：['hɑps]...
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“棓子”的拼音为：bèi zǐ...
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The results showed that Yb ( OSO 2 C 8 F 17 ) 3 and C 10 F 18 were the best catalyst and fluorous solvent respec - tively.研究表明Yb ( OSO2C8F17 ) 3和C10F18分别是最好的氟代催化剂和氟溶剂.The FBC ( fluorous biphase catalysis ) is a new nonaq...