业余网球圈中的怪球手很多,其中,以怪异发球见长的选手不在少数。各种奇妙的旋转让初次与他们交手的对手感到很大的压力,球的飞行轨迹飘忽不定,落地后的弹跳诡异反常。低水平的选手在碰到这类发球的时候,往往束手无策,甚至宁愿面对球速更快的平击球,也不愿意处理这样难以判断的旋转球。 Amateur tennis ball in a lot of strange players, of which only a few players known to serve the weird serve. A variety of wonderful rotation for the first time opponents feel great pressure on them, the flight trajectory of the ball erratic, bouncing strange after landing. Low-level players are often at a loss when it comes to these types of serve, preferring to face even faster ping-pong shots and are unwilling to deal with difficult spinballs.