のようなYouTubeチャンネル Easy biology by DrPukan


43,400 1.75%

79,700 3.21%

3,390,000 1.13%

1,330,000 3.39%

1,540,000 2.64%

3,210,000 2.78%


39,500 4.41%

108,000 2.66%

197,000 4.57%

133,000 2.94%




1,570,000 1.49%

46,400 0.78%


124,000 3.63%

201,000 1.19%

1,020,000 3.13%



42,200 1.13%

393,000 2.49%