名词
中文翻译：开放水域课程
同义词：
['open water training', 'open water swimming course例句：1. This is an open water course that requires participants to swim in the ocean.（这是一个开放水域课程，要求参与者在海里游泳。）']
例句：
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1. This is an open water course that requires participants to swim in the ocean.
这是一个开放水域课程，要求参与者在海里游泳。
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2. The open water course is designed to improve swimmers' endurance and agility.
这个开放水域课程旨在提高泳者的耐力和敏捷性。
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3. Many athletes choose to take open water courses as part of their fitness routines.
许多运动员选择作为他们健身计划的一部分参加开放水域课程。