优米Leo看世界
主题：人为什么要有鼻屎？ · 炫酷图片版
scene 1
小问题，大发现
Why do we have boogers?
scene 2
鼻子是空气小门
Why do we have boogers?
scene 3
鼻毛像小卫兵
Why do we have boogers?
scene 4
黏液会抓住灰尘
Why do we have boogers?
scene 5
鼻屎慢慢形成啦
Why do we have boogers?
scene 6
感冒时会更多
Why do we have boogers?
scene 7
用纸巾更卫生
Why do we have boogers?
scene 8
鼻子真的很聪明
Why do we have boogers?
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