For safety, the basic skills area should be well lighted and, if possible, completely netted to keep balls from getting away and hitting nonparticipants.

安全起见，基础技能训练区要保证光线充足，可能的话要用挡网包围，防止球乱飞砸到人。

youdao

For safety, the basic skills area should be well lighted and, if possible, completely netted to keep balls from getting away and hitting nonparticipants.

安全起见，基础技能训练区要保证光线充足，可能的话要用挡网包围，防止球乱飞砸到人。

youdao