附加课程如体月、艺术或者音乐，可能每周上两次。
Additional courses, such as physical education, art, or music, may meet twice a week.
youdao
特别适合高附加值精细粉体的用户使用。
It very suitable for high value-added fine powder of users.
应用推荐
模块上移
模块下移
不移动