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WATCH VIDEO: Will the real ET be little green men or little green bacteria?
视频：小外星人会是一个小绿人还是一个小绿菌吗？
youdao
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Computer artwork of bacteria (blue and green) on human skin.
人体皮肤上细菌(蓝色和绿色)的电脑绘画。
youdao
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Computer artwork of bacteria (blue and green) on human skin.
人体皮肤上细菌(蓝色和绿色)的电脑绘画。
youdao