About 第一反應動力學 results of 10,000
04:55![So You Want to Be a MEDICAL SCIENTIST [Ep. 46]](https://thumbnail.voicetube.com/w/480/h/270/TAI83x4TOGg.jpg)
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08:32![First Day of School in Japan [Student Vlog 01]](https://thumbnail.voicetube.com/w/480/h/270/Bl7BPkF0p3s.jpg)
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