up-swing

When tossing the ball to serve, you want the arm to swing up straight from the shoulder and remain in that position until you begin to uncoil.

发球初始抛球时，你应该想着让抛球臂直直地以肩为肘向上抛起并保持向上的状态直到你身体开始向前回转。

He jacks up shots with a Kevin Martin-like hitch, with a low release point and an arm swing that brings the ball across his body before it leaves his hand.

他会像凯文-马丁一样把球推出去。他的出手点很低，并且在出手之前会用胳膊拉球从身前划过。

To further "run-jump" skill, improving assist-running pace, jumping pace as well as keeping the same pace till the third jump is important in training and the rational proportion of three jump distance, up and down swing and counterbalance skill should in give more attention.

提高助跑速度和跳跃速度，并使速度保持到第三步是训练的重点，应更加重视合理的三跳比例、上下摆动技术和平衡能力的训练，逐步探索跑跳型新技术。