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Should fluoride be in our water?
10:12
YouTubeVox
Should fluoride be in our water?
The science isn’t so straightforward. Support our work. Become a Vox Member today: http://www.vox.com/memberships Subscribe to our channel and turn on notifications (🔔) so you don't miss any videos: http://goo.gl/0bsAjO RFK, Jr. has put the decades-old debate over water fluoridation back on the table. As Donald Trump’s pick for Health ...
479.1K views1 year ago
含氟牙膏使用方法
含氟牙膏该怎么选择呢？#健康dou起来 #科普
含氟牙膏该怎么选择呢？#健康dou起来 #科普
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#科普 #含氟牙膏 含氟牙膏的作用机制是什么@DOU 小助手 @抖音小助手
#科普 #含氟牙膏 含氟牙膏的作用机制是什么@DOU 小助手 @抖音小助手
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Dec 30, 2021
【校本课程-自剪视频】02含氟牙膏的作用、如何正确刷牙
【校本课程-自剪视频】02含氟牙膏的作用、如何正确刷牙
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