适合于青少年、成人初学者在坡度不大的地方滑雪使用。
The longitudinal grid style small sliding plate is suitable for teenagers , adult learners to ski on the places where slopes are not big .
为儿童、成人、初学者等而写的书、开设的课程、编排的节目等
A book , course , programme , etc intended for children , adults , beginners , etc