一组组对手来回击球，直到所有参赛者中出现一名胜利者。
Pairs of opponents hit the ball back and forth until one winner emerges from all who entered.
乒乓球涉及诸如发球、回击球、控制球等基本技术。
Table tennis involves such basic skills as those of serving, returning the ball and placing it.
当然，任何打过排球的人都知道，要想来回击球而不让球落地十分困难，更不用说像职业选手那样跳起和扣球了！
Of course, anyone who has played volleyball knows it is often difficult just to keep a rally going, let alone to leap and smash the ball into the ground the way the professionals do!
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