Youtube上的频道如 Medical Discovery


282,000 3.11%

473,000 3.99%

134,000 2.48%

78,500 3.39%


3,210,000 2.78%


247,000 2.23%

1,330,000 3.39%

10,500,000 3.02%

148,000 2.79%




1,020,000 3.13%

28,400 3.05%

243,000 2.87%

17,200 1.43%

813,000 3.93%

202,000 9.74%

1,540,000 2.64%

20,400,000 2.43%

299,000 5.17%

54,300 3.11%