1.
Serve again! The cannon-ball service.
再发球!勾手大力发球。
2.
Overhand serves may be played in differents ways, such as the overhand floater serve, the overhand spin serve and the power serve.
上手发球有不同的方法，例如上手飘球、上手旋转球和大力发球等。
3.
Overhand serves may be played in different ways, such as the overhand floater serve; the overhand spin serve; and the power serve.
上手发球有不同的方法，例如上手飘球；上手旋转球和大力发球等。
4.
N: Overhand serves may be played in differents ways, such as the overhand floater serve, the overhand spin serve and the power serve.
上手发球有不同的方法，例如上手飘球、手旋转球和大力发球等。
5.
Sports Biomechanical Principles of Power Serve Technique in Tennis;
网球大力发球技术的运动生物力学原理
6.
A Sports Biomechanical Analysis of Male Tennis Players' Power Serve Technique in China
中国优秀男子网球运动员大力发球的运动生物力学分析
7.
The Three-dimensional Kinematic Analysis of the Power Serve Technique of the Young Tennis Players in Our Country
我国青少年网球运动员大力发球技术的三维运动学分析
8.
roundhouse serve
大力钩手发球，抡臂发球
9.
There are three basic kinds of the underhand serve, the overhand serve, and the hook serve or roundhouse serve.
有三种基本的发球方法:下手发球，上手发球和钩手发球或大力(臂)钩手发球。
10.
There are three basic kinds of service:the underhand serve, the overhand serve, and the hook serve or roundhouse serve.
有三种基本的发球方法：下手发球，上手发球和钩手发球或大力钩手发球。
11.
The tennis player could hit the ball hard because his muscles were so strong.
由于网球运动员肌肉发达,所以击球力量很大。
12.
he made an important math discovery--the universal law of gravitation.
他发现了伟大的地球引力定律。
13.
Pretty much of the strength in serving comes from your legs.
发球中很大一部分力量来自腿部。
14.
A Mechanics Analysis and Contrast on Smashing Jump Service between Jiansu Provincial Women Volleyball Team and High-level Volleyball Players in Suzhou;
江苏女排与苏州市优秀排球运动员大力跳发球的力学分析和对比
15.
The article studies the development of heavy forehand stroke technique, it analyzes the techniques of heavy forehand stroke and also gives players suggestions about how to apprehend and improve heavy forehand stroke techniques.
研究网球大力正手击球技术的发展,分析掌握大力正手击球的技术关键和提出技术改进的建议。
16.
The tennis-service needs more strngth.
网球式发球需多点力度。
17.
A discussion on the all-in-one of receiving after changing"small"table tennis ball to the"big one"
从乒乓球“小球”改“大球”看接发球“一体化”
18.
Experimental research on badminton teaching s promoting development of college students aesthetic capability;
羽毛球教学促进大学生审美能力发展的研究