Youtube上的频道如 Prof. Andrea Pollini


29,500 6.03%

43,900 2.65%

134,000 2.48%

364,000 3.05%

3,210,000 2.78%

835,000 2.77%




13,500 0.9%

40,300 2.19%


5,420 2.06%

65,100 4.77%

196,000 4.79%

468,000 1.23%

417,000 1.95%

760,000 1.68%

76,300 4.43%


324,000 1.94%


281,000 2.24%

71,900 3.64%

10,500,000 3.02%