phloem
美['floʊem] 英['fləʊem]
n. 韧皮部；筛部
英英释义
Noun- (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
例句
用作名词(n.)- In vascular plants, the xylem and phloem serve to translocate such substances.维管植物的木质部和韧皮部主要进行对这类物质进行运输。
- The secondary phloem consisted of sieve cells and phloem parenchymas.根的次生韧皮部则由筛胞和韧皮薄壁细胞组成。
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