四次划手，单边换气，腿有点下沉，踢水没有打出水花，不streamline, 所以他游下来不轻松，速度可以的

来源: Waterchase 于 2023-06-08 12:38:04 [旧帖] [给我悄悄话] 本文已被阅读：次

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