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一次,我带孩子们去户外散步,大家对小花园中供游人休息的树凳发生了兴趣。首先是航航,趴在树凳上仔细地数上面的圆圈。我趁机问他知不知道这些圈圈表示什么,叫什么。他想了想说:“我只知道圈圈表示这棵树有几岁了,但不知道叫什么。”这时,边上的舟舟说话了,俨然像个小博士:“这圈圈叫年轮,有几圈就表示这树有几岁。”“那么,数数看,这棵树有几岁了?”我的话刚
Once, I took the children to go for an outdoor walk, everyone interested in the small garden for the rest of the tree stool. The first is the voyage, lying on the stool carefully above the circle. I took the opportunity to ask him if he knew what the rings meant and what he called. He thought for a moment: “I only know that the circle shows how old the tree is, but I do not know what it is.” At this moment, the boat on the edge talked, just like a little doctor: “The circle is called The ring, with a few laps, indicates how old the tree is. ”“ Well, counting, how old is this tree? ”My words just