英漢例句雙語例句A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.一種特殊的軟組織細胞，位于開花植物的韌皮部，生長和功能與篩管要素密切聯(lián)系。sieve-tube element更多例句