单词：lac insect
lac insect的用法和样例：
例句
- This paper deals with climatic conditions in original lac-producing areas and lac insect introduction and cultivation in new places.本文分析了我国紫胶主产区的气候条件以及新产区紫胶虫引种驯化的研究概况。
单词：lac insect 相关文章
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新路径小学英语五年级上册(三起)
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2018CRI中国国际广播电台
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单词解析速记
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