你可以通过数年轮来判断树木的年龄，但是作为树木生命的记载，年轮能说明的东西远不止于此。
You can tell the age of a tree by counting its rings, but these records of trees' life really say a lot more.
其他影响行星的气候和适合生命的稳定性的就是它自身的年龄，构成，尺寸以及所在体系邻近星星的位置。
Other factors impacting a planet's climate and suitability for life include its star's age, composition and the size and location of sibling planets in the system.
在印度，六十岁是一个吉祥的年龄。它表示生命已经走到一个不同的阶段。
Sixty is an auspicious age in India; it signifies a shift in gears and a different stage of life.
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