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英语单词

ectotheca是什么意思

ectotheca

英['ektəʊθəkə] 美['ektoʊθəkə]
  • n.外壁
  • 网络解释.外壁;外函;气管外层





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考试词汇

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分类词汇

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频率词汇

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单词首字母

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[an error occurred while processing this directive]