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对于游泳,在人们印象中常是在泳池中进行的,这在一定程度上约束了人们在自然水域中游泳锻炼的思想。在我国有辽阔的海域资源,学会在
Swimming often takes place in swimming pools in people’s minds, which to some extent restricts people’s thoughts of swimming and swimming in natural waters. In our country, there are vast sea resources, learn in