You can tell by its annual rings. One annual ring means one year.

你可以从它的年轮得知。一个年轮代表一岁。

youdao

After supper I began to print ANNUAL RING diary I kept with the new printer.

一吃完晚饭，我就要新打印机打印我在年轮上写的日记。

youdao

After supper I began to print ANNUAL RING diary I kept with the new printer.

一吃完晚饭，我就要新打印机打印我在年轮上写的日记。

youdao