phloem

常见例句

用作名詞 (n.)

• In vascular plants, the xylem and phloem serve to translocate such substances.
  維琯植物的木質部和靭皮部主要進行對這類物質進行運輸。
• The secondary phloem consisted of sieve cells and phloem parenchymas.
  根的次生靭皮部則由篩胞和靭皮薄壁細胞組成。
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