1.
Basic shots include the backhand and forehand chops, the backhand and forehand drives, the backspin chop, the block shot, the drop shot, the smash, the cross shot and the half volley.
基本打法包括:反手和正手削球，反手和正手抽球，削下旋球，推挡，吊球，扣杀，斜线球和快拨。
2.
To cut or slice(a ball)with an underarm stroke, as in tennis.
削球，切球在网球中用下旋手法击（球）
3.
A stroke that causes a ball to spin in a reverse direction.
削球使球向相反方向旋转的一击
4.
To strike(a ball)so that it spins in a reverse direction.
削球击（球）使其向反方向旋转
5.
A player may use top spin, back spin or side spin.
运动员可以使用上旋球、下旋球和侧旋球。
6.
A cut or slice made with an underarm motion.
切球，削球下投动作所造成的一切或一削
7.
Backspin: Reverse spin imparted by striking the ball with a downward movement of the racket.
下旋：向下挥动球拍击出的旋转球，使球回转。
8.
A short, downward stroke.
削切击球一记短促向下的击球
9.
The Research on NC Grinding Rake & Flank Faces of Ball-end Cutters with Spiral Shape Major Cutting Edge
数控磨削螺旋刃球头立铣刀前后刀面的研究
10.
Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service.
发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。
11.
Ronald seems to know all kinds of serve techniques-the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss serves.
所有的发球技巧，罗纳德似乎都懂-----反手上旋球和下旋球、手上旋球和下旋球以及高抛球。
12.
strike (the ball) in golf, tennis, or hockey obliquely downward so as to give a backspin or elevation to the shot.
在打高尔夫球、网球、曲棍球时用下旋手法击球。
13.
To hit or hit at with a short, swift downward stroke.
削击击球或用一个短促向下的打法击球
14.
To hit a golf ball in a high arc with backspin so that it does not roll very far after striking the ground.
击下旋高球击下旋高球，使球触地后不会滚开太远
15.
Free-form Surface Machining with Ball-end Milling Cutter under Constraint of Nearly Constant Cutting Force
切削力基本恒定约束下球头铣刀加工自由曲面切削参数的优化
16.
A chip shot.
切削球切削击球，近穴击球
17.
Her top spin, back spin and side spin contributed a lot to her winning of the final.
她的上旋球、下旋球和侧旋球技能对她取得决赛胜利起到了很大的作用。
18.
a tennis return made with a downward motion that puts backspin on the ball.
在网球中用一个向下的动作来使球旋转回去。