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dong zhi wu zhi deng
Author(s): 
Pages: 40-41
Year: Issue:  10
Journal: Guided Reading for Primary School Students

Keyword:  动植物萤火虫照明人类亮度北美洲发光工具灯光时间;
Abstract: <正>灯是人类照明的工具之一,一些动植物也在为人类提供照明的便利。提到动植物灯,我们马上会想到萤火虫。世界之大无奇不有,还有比萤火虫亮度更强、亮的时间更长、更为奇妙的"自然之灯"呢!
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