正确解释仰泳规则的关键是术语“连续性转身动作”，也就是统一和无停顿的完整运动。
The key to proper interpretation of the backstroke rule is the phrase "continuous turning action", i. e., a uniform, unbroken motion with no pauses.
正确解释仰泳规则的关键是术语“连续性转身动作”，也就是统一和无停顿的完整运动。
The key to proper interpretation of the backstroke rule is the phrase "continuous turning action", i. e., a uniform, unbroken motion with no pauses.
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