He devised a set of racquetball rules based on the rules of squash and handball. Racquetball absorbed some features of tennis and became a new type sport.
他综合了英式壁球和手掌球(handball)的游戏规则，同时吸取了网球的运动特点发明了这种新型运动。
He devised a set of racquetball rules based on the rules of squash and handball. Racquetball absorbed some features of tennis and became a new type sport.
他综合了英式壁球和手掌球(handball)的游戏规则，同时吸取了网球的运动特点发明了这种新型运动。
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