树的年轮可以告诉我们它的年龄。

The annual ring of a tree can tell us its age.

每一年轮代表树木一年的生长。

Each annual ring represents one year of growth for the tree.

这棵树的年轮显示它已经有百年历史了。

The annual ring of this tree shows that it is a hundred years old.

年轮的宽度可以反映当年的生长条件。

The width of the annual ring can reflect the growth conditions of that year.

通过观察年轮，科学家可以了解过去的气候变化。

By studying the annual ring, scientists can learn about past climate changes.

主要的年轮 ( 暗色和亮色 )

The main annual rings ( darker and lighter )

固执的年轮固执的小河固执的张扬醉人的美酒…

The stubborn brook in stubborn annual rings makes open the beautiful wine that inebriate the person stubbornly…

目的: 评述“树皮年轮”的概念及其应用于判断树龄的科学性.

Methods: The references related to the annual rings in tree bark were searched, reviewed and analyzed.

在一定的区域内当生活树木以及化石树木的寿命有重叠时，通过树木的年轮来推测考古学年代的方法。

Dendrochronology A method of archaeological dating by the ANNUAL RINGS of tree, used when the lifespans of living and fossil trees in an area overlap.

可以通过数树的年轮来确定树的年龄。

The ager of the tree can be determined by counting its rings.