基本解释[地球科学]筛管细胞英汉例句双语例句A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.一种特殊的软组织细胞，位于开花植物的韧皮部，生长和功能与筛管要素密切联系。sieve-tube cell更多例句专业释义地球科学筛管细胞