樹輪 angolul

Kínai	Angol
樹輪 noun	tree ring(annual growth ring in the trunk of a tree) noun [UK: triː rɪŋ] [US: ˈtriː ˈrɪŋ]
樹輪年代學 noun	dendrochronology(science of counting tree rings) noun [UK: ˌden.drəʊ.krə.ˈnɒ.lə.dʒi] [US: ˌdendro.ʊ.krə.ˈnɒ.lə.dʒi]

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