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单词 growth ring
释义

growth ring

美 
英 
  • n.年轮
  • 网络生长轮;生长环;成长环
growth ring
n.
1.
(树木、壳或骨等的)生长轮,年轮a layer of wood, shell or bone developed in one year, or in another regular period of growth, that an expert can look at to find out how old sth is
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更新时间:2024/12/22 20:58:09