具体如下：
1. No swimming without permission.
1、不准私自下水游泳。
2. Do not swim with others without permission.
2、不准擅自与他人结伴游泳。
3. No swimming without parents or teachers.
3、不准在无家长或老师带队的情况下游泳。
4. Don't swim in unfamiliar waters.
4、不准到不熟悉的水域游泳。
5. It is not allowed to swim in the waters without safety facilities and rescue personnel.
5、不准到无安全设施、无救护人员的水域游泳。
6. Students who do not know water are not allowed to go into the water for rescue without authorization.
6、不准不会水性的学生擅自下水施救。
小洲洲大肚皮
