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adj.按等级划分的，等级（制度）的，分层的...
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carotenase的音标：carotenase的英式发音音标为：[kærəʊtə'neɪs]carotenase的美式发音音标为：[kæroʊtə'neɪs]...
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rile的现在进行时为：riling...
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n.两音听诊器...
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n.移植，移植法，移居，移民...
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Entertaining in style needn't mean spending lavishly.待客隆重并不意味着要大肆铺张。The room was lavishly decorated with tinsel and holly.房间用了大量的金属箔和冬青枝装饰,十分奢华.He went on spending lavishly until his money was at the end.他继续挥霍无度,直到把...
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dismember的现在完成时为：dismembered...
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challenger的反义词有：defender。n.challenger的反义词（挑战人;异议者）：defender。...
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reassure的一般过去时为：reassured...
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roam的第三人称单数（三单）为：roams...
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“虚伪”的拼音为：xū wěi...
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typical的音标：typical的英式发音音标为：['tɪpɪkl]typical的美式发音音标为：['tɪpɪkəl]...
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Aromatic cytokinins metabolism is classified under four broad headings : interconversion, hydroxylation, conjugation and oxidation.它的代谢具有相互转换 、 基化作用 、 合作用和氧化降解四个特征.In anaerobic environments, chlorinated aromatic compound...
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To keep ecology in balance is our duty.保持生态平衡是我们的职责.Development has been guided by a concern for the ecology of the area.该地区的发展以注重生态为指导原则。We are reproducing ourselves at such a rate that our numbers threaten the ecology ...