Youtube上的频道如 For Teachers



3,390,000 1.13%

6,030 4.57%

81,300 2.05%

1,020,000 3.13%


11,500 2.77%


1,400,000 3.24%

853,000 3.08%

5,470 2.65%

9,920 1.57%

22,200 3.56%

48,400 2.41%

8,190 3.24%

36,600 2.36%

189,000 3.65%

228,000 3.85%


141,000 2.08%

11,700 0.8%

4,040,000 13.0%

247,000 1.43%