网站你懂我意思吧app中文字幕
发布日期：2021年01月22日
网站你懂我意思吧app中文字幕Extra videos
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Acid Rain
Making Pu
Amazing Mo
Diamonds
Exploding Wires
Nobel 2019
网站你懂我意思吧app中文字幕
See our Periodic Table of Patrons - you could be on it!
网站你懂我意思吧app中文字幕
ELEMENT:
网站你懂我意思吧app中文字幕
Praseodymium
SYMBOL:
Pr
ATOMIC NUMBER:
59
Previous element
Home
Next element
Nobel 2019
First Table
Brady 10
Perpetual
网站你懂我意思吧app中文字幕
Taj Mahal
Reactor
Love the PT
Fountain
PTOV is created by video journalist Brady Haran working with chemists at The University of Nottingham
