乒乓球是一项体育运动，其中两名或四名选手用乒乓球拍来回拍击一种轻便的空心球。
Table tennis, also known as ping-pong, is a sport in which two or four players hit a lightweight, hollow ball back and forth using table tennis rackets.
大规模生产的体育器材包括跑鞋、足球、网球拍、短裤、运动衫、吸汗带及其他产品。
Mass produced equipment includes running shoes, soccer balls, tennis racquets, shorts, shirts, sweat bands and many other products.
一种体育运动，在一定高度、宽度的网子范围内用一只轻的长柄球拍前后截击羽毛球。
A sport played by volleying a shuttlecock back and forth over a high, narrow net by means of a light, long-handled racket.
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