1:both.and
2:55%
3:six classes. They are happiness, sadness, anger, surprise, fear and disgust(厌恶).
4:划线在哪?
5:It is useful,but people have to be careful.
1:both.and
2:55%
3:six classes. They are happiness, sadness, anger, surprise, fear and disgust(厌恶).
4:划线在哪?
5:It is useful,but people have to be careful.