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an infrequent guest稀客Some words are too infrequent to be worthy of inclusion in the dictionary.一些单词的使用频率太低，没有必要收入词典。Barriers between nations are reared by slow and infrequent communication.国与国之间的隔阂是由沟通缓慢而又太少形成的....John&#...
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haemagglutinin的音标：haemagglutinin的英式发音音标为：[ˌhi:mə'glu:tɪnɪn]haemagglutinin的美式发音音标为：[ˌhimə'glutɪnɪn]...
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n.差向（立体）异构体，差位（立体），异构体...
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divulging的音标：...
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n.皮区，皮刀，皮板...
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“检波器”的拼音为：jiǎn bō qì...
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炉格真太糟啦.The grate is really very bad....
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n.翅鞘，翅基...
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exorcise的现在进行时为：exorcising...
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v.吉特巴舞( jitterbug的过去式和过去分词 )...
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capaswitch的音标：capaswitch的英式发音音标为：['kæpəˌswɪtʃ]capaswitch的美式发音音标为：['kæpəˌswɪtʃ]...
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plutonium的音标：plutonium的英式发音音标为：[plu:'təʊniəm]plutonium的美式发音音标为：[plu'toʊniəm]...
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中核生物...