語音 260515_191710

1:48 2 Ahotsak 1 Kapituluak 31 segmentuak
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Ahotsak

Kapituluak

  1. 0:00
    Kapitulua 1: Hello, every professor. 106s · Speaker 1

    Hello, every professor. My name is Kai from China High School. Am I very devoted to change my thought into reality through experimenting or observation and actions? For example, I'm very interested in gemstones, especially Ruby. So I starte…