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annual ring

/ˈænjuəl rɪŋ/

翻译: 树木横切面上因一年生长而形成的环状纹理,由春季浅色早材和夏季深色晚材组成。

1 个条目

phrase

/ˈænjuəl rɪŋ/C1formalscientific
  • zh树木横切面上因一年生长而形成的环状纹理,由春季浅色早材和夏季深色晚材组成。

A ring in the cross-section of a tree trunk, representing one year's growth, consisting of a light springwood layer and a darker summerwood layer.

  1. Tree growth ringB2formal

    A ring visible in a cross-section of a tree trunk, representing one year's growth.

    zh年轮

    • Scientists count annual rings to determine the age of a tree.
    • The width of an annual ring indicates how much the tree grew that year.
    • Annual rings can reveal information about past climate conditions.