木质部 (mù zhì bù) — (botany) xylem

Definição

Exemplos

• 植物的木质部负责输送水分和矿物质。
  Zhí wù de mù zhì bù fù zé shū sòng shuǐ fèn hé kuàng wù zhì.
  The xylem of plants is responsible for transporting water and minerals.
• 木质部和韧皮部是维管束的主要组成部分。
  mù zhì bù Hé rèn pí bù shì wéi guǎn shù de zhǔ yào zǔ chéng bù fen.
  Xylem and phloem are the main components of vascular bundles.
• 这棵树的木质部已经受损了。
  Zhè kē shù de mù zhì bù yǐ jīng shòu sǔn le.
  The xylem of this tree has already been damaged.