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The method for producing 4 - aminodiphenylamine from nitrobenzene and aniline was an ideal method at the present.从硝基苯和苯胺直接合成4氨基二苯胺是当前一种较为理想的方法....
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长乙状结肠...
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tweak的现在进行时为：tweaking...
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loony的复数形式为：loonies...
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adv.在空中，在高处...
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colmation的音标：colmation的英式发音音标为：[kɒl'meɪʃn]colmation的美式发音音标为：[kɒl'meɪʃn]...
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vi.回响，弹回，反射vt.使回响，使反射，使回弹...
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“髋骨”的拼音为：kuān gǔ...
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vt.& vi.（使）工业化...
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“铁”的拼音为：tiě...
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chessboards的音标：...
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out of season的音标：out of season的英式发音音标为：[aut ɔv 'si:zən]out of season的美式发音音标为：[aʊt ʌv 'sizən]...
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上等葡萄酒可以盖上带编号的优质产品印章。The best wines are entitled to a numbered seal of quality.兹寄上盖有印章的契约一式两份.Herewith we are sending you a written contract under seal in two copies.经理在文件上加盖印章.The manager annexed his seal to the document...
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剧中充斥了大量俚语对话。The play was full of slangy dialogue.我们安下心来讨论英语俚语的用法.We settled down to a quiet discussion of English slang.这个短语在这本字典里被注为俚语.The phrase is labelled as slang in the dictionary....