のようなYouTubeチャンネル Biology egy


247,000 4.3%

3,210,000 2.78%

1,330,000 3.39%




1,540,000 2.64%

3,390,000 1.13%


760,000 1.68%

20,400 3.54%


113,000 4.48%

835,000 2.77%