1. Volleyball: Introducing rules, dig pass, and overhand pass.
郑景文排球：规则讲解、 低手、 高手对空传球基本。
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2. The basic individual skills and team skills include: serving the ball, passing the ball (the volley pass and the dig pass), setting a pass, spiking sets, blocking shots.
个人和队的基本技术包括：发球、传球(凌空传球和垫传)、二传、扣球、拦网。
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3. It is an overhead pass used to change the direction of the dig and put the ball in a good position for the spiker.
这是一种过顶传球，用于改变垫球的方向，并将球调整到一个方便扣球手的有利位置。
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4. If you want to pass the examination, you'd better dig in.
如果你想通过考试，你最好还是努力学习。
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5. It can do that in two ways, they can dig in and wait for enemy units to pass over them and explode.
它有两种方法进行自爆，他们可以挖地以等待敌军单位进入它们的范围然后自爆。
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6. It can do that in two ways, they can dig in and wait for enemy units to pass over them and explode.
