Youtube上的频道如 Professor Andre Barbieri


111,000 5.98%

490,000 4.09%


29,000 5.08%

17,600 6.85%

9,930 7.78%


42,700 5.31%

32,000 6.01%




106,000 7.82%

9,500 10.92%

159,000 10.8%

106,000 8.57%


90,600 8.79%

43,000 7.06%

39,800 5.64%

254,000 7.59%

109,000 7.83%

749,000 8.77%

16,200 9.96%

2,280,000 7.36%