Read Edit View history 年轮 niánlún growth ring Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 年轮/年輪 · niánlún · growth ring 2026/03/04 年轮 / 年輪 niánlún growth ring The concentric layers of wood or other tissue formed during a single period of growth, typically a year, in trees or certain animals. 通过观察树木的年轮，我们可以推算出它的树龄。 noun created sense Mar 4, 2026, 02:25 AM