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sap wood是什么意思，sap wood的翻译，sap wood音标、读音、用法和例句_94生活常识网有道词典
94生活常识网有道词典

sap wood

S 开头单词

同根派生

     

英汉例句

  • Sapwood is the lighter colored wood growing from inside the bark to the heartwood.
    边材色泽较浅，是从树皮到新材之间的木质部分。
  • Heartwood is the mature wood, which is often darker, extending from the sapwood to the pith.
    心材通常是成熟的木材部分，通常色泽较暗，范围从边材一直到髓心。