bast yarn and thread是什么意思，bast yarn and thread的翻译，bast yarn and thread音标、读音、用法和例句

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bast yarn and thread是什么意思，bast yarn and thread的翻译，bast yarn and thread音标、读音、用法和例句_绿查网谷歌词典

bast yarn and thread

基本解释

专业释义

經濟學