求翻译：1.不到无安全保障的水域游泳；2.由熟悉水性的人陪同；3.做充分的热身运动；4.携带救生器材；5.饭后或剧烈运动后不宜立即游泳是什么意思？

A. No less than the security of waters swim; 2. Accompanied by the people familiar with the water; do a full warm-up exercise; 4. To bring life-saving equipment; 5. After a meal or strenuous exercise should not swim immediately after

1.no lack of security of the waters by swimming pool; 2.The people who are familiar with water, accompanied by full; 3. So the warm-up exercise; 4) The bearing life-saving equipment, and after a meal or 5.After strenuous exercise should not be an immediate swimming

1. not to not safety control waters swimming; 2. by familiar river character person accompaniment; 3. does fully warms up the movement; 4. carryhome means of rescue; After after 5. food or the strenuous exercise is not suitable swims immediately

1. no security guarantees could not swim the waters; 2. accompanied by people familiar with water; 3. adequate warm-up exercise; 4. carrying life-saving appliances; 5. or strenuous exercise after meals should not be immediately after swimming

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