英语词汇bundle sheath怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	bundle sheath
释义	bundle sheathn.（名词） A layer or region of cells surrounding a vascular bundle.维管束鞘：围绕维管束的一层或一部分细胞
随便看	extern external external external acoustic meatus external auditory canal external auditory meatus external-combustion engine external ear externalise externalism externalisms externalities externality externalize externalized externalizes externalizing external respiration externals external–combustion engine externe externs exteroceptor exteroceptors exterritorial

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