✔ 最佳答案
1.We should take good care of children.
2.We should warm up before swimming.
3. Do not enter water if the "Red Flag" or "Shark Flag" is raised.
4. We should stay out of water during thunderstorm.
5. Do not jump from a beach raft or dive underneath.
額外的2句給你參考:
6. Do not swim alone.
7. Do not swim immediately after a meal.