单词	competitiveswimming
释义	competitiveswimming 竞技游泳
随便看	up-side-down formation upside-down image upside down loop up-side-down loop upside-down motion upside down motion upside down mounting upside-down mounting up-side-down mounting upside-downness upside down prestressing jack upsidedowns upside-downs upside-down stomach upside downward upside downwards upside potential Upside risk upside roll upsides up-sides upsides with upsidown upsie-turvy upsight 养儿防老，积谷防饥养兵千日，用兵一时养兵千日，用在一朝养军千日，用军一时养军千日，用在一时养军千日，用在一朝养威蓄锐养子防老，积谷防饥养家活口养家糊口轻拿轻放轻捷轻描淡写轻放轻敌轻易轻暖轻机枪轻松轻柔