のようなYouTubeチャンネル learning lab


1,080,000 2.7%

62,300 3.24%

39,700 3.03%

19,700 2.77%

7,350 2.82%


329,000 3.3%

7,090 2.02%

23,400 3.28%

902,000 3.2%

2,030,000 2.64%

686,000 2.49%