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关注:1
2013-05-23 12:21
求翻译:It is also expected that little sunlight or rainfall would limit the growth of a tree. The change from a favorable (有利的) to an unfavorable climate can be reading the tree rings in tree trunk. To find out the weather of ten years ago,count the rings of a tree trunk from the outside to the inside. If the tenth ring is fa是什么意思?![]() ![]() It is also expected that little sunlight or rainfall would limit the growth of a tree. The change from a favorable (有利的) to an unfavorable climate can be reading the tree rings in tree trunk. To find out the weather of ten years ago,count the rings of a tree trunk from the outside to the inside. If the tenth ring is fa
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