のようなYouTubeチャンネル Safirs Academy Learn English


113,000 4.48%

20,400 3.54%

2,310,000 5.56%



64,600 2.81%

3,390,000 1.13%

3,210,000 2.78%


109,000 6.67%

214,000 3.3%







251,000 4.43%



715,000 5.03%


142,000 2.88%