怦街上的行人转过身，盯着他看。
攥着纸片一角，他转过身，匆匆回到人群中，站回原来的位置，同家人略微保持着距离，也没有低下头看自己的手。
He held it firmly by one corner as he turned and went hastily back to his place in the crowd. where he stood a little apart from his family. not looking down at his hand.
从侧面看，这不过是一个基本的海豚式打腿，……但当凯文转过身来，面对镜头时，你将注意到，他的两腿从外向内的动作非常明显。
From the side, you can see it's basic dolphin kick... but as Kevin rotates his body toward the camera, you'll notice the distinct outside-in motion of his legs.
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