のようなYouTubeチャンネル DR. Notes Biology


1,330,000 3.39%

1,570,000 1.49%

2,530,000 6.53%

11,900 2.91%

719,000 6.33%

76,100 3.21%

1,320,000 4.82%

2,480,000 4.31%

113,000 4.48%

3,390,000 1.13%

1,070,000 3.74%

10,500,000 3.02%