Youtube上的频道如 Prolingoo Portuguese



20,400 3.54%


213,000 4.84%




3,390,000 1.13%

18,800 2.16%


10,300 5.52%

62,300 3.71%

83,600 2.3%

218,000 11.12%


21,700 2.02%

1,440,000 1.77%

927,000 1.85%

198,000 3.07%




967,000 2.93%