Youtube上的频道如 Professor Igor Química



1,580,000 4.88%






94,300 5.23%

84,200 5.28%


168,000 10.97%

487,000 4.07%



3,740,000 7.2%

1,320,000 4.82%



739,000 2.48%

3,390,000 1.13%

184,000 3.79%

3,210,000 2.78%

10,500,000 3.02%