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[科学美国人科学系列] 科学美国人60秒:樱桃树种子迁徙爬山熊功不可没
想象一下一位奋不顾身的消防队员将一只宠物从熊熊大火建筑物中抢救出来的情景。亚洲熊在春天会以山脚下的水果为食,而随着季节的推进,它们就会爬到更高处享用那里的嫩叶,花蕾及花朵。2016-05-19 编辑:mike
Severity: Notice
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Severity: Warning
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2016-05-19 编辑:mike