It has a cross-bar on top ( to prevent robots from entering the goal ).

The actuator is mounted onto the collective cross bar.

驱动器安装到集体横栏.

The beam was screwed down to the cross bar.

横梁已用螺丝柠在垮木上.

He doesn't joke or bounce about.

他不喜欢开玩笑，也不游手好闲。

It will be fascinating to see if the world starts to bounce back at about the same time, even if many of the other challenges remain.

观察届时世界经济会不会开始回暖即使其他许多挑战依然存在将是十分有趣的事情。

As the bounce the ball decreases the height per contact with the ground so does it's!

每接触地面一次,球的反弹高度也随之降低,光也一样.

This is the way we bounce the ball, bounce the ball, bounce the ball.

这就是我们拍球, 拍球, 拍球的方式.

Bounce, bounce, bounce the ball.

拍, 拍, 拍球.

I can bounce the ball.

我能(会)拍球.

I can bounce the ball very much.

我拍球拍的很好.

Who can bounce the ball?

谁能(会)拍球?

Try to bounce the ball.

试着弹起这个球.

A strong body isn't all it takes to be a good special policeman.

拥有强壮的身体并不是成为一个好防暴警察的全部要求。

Police is a kind of special profession and policeman shoulder great responsibility and bound duty.

警察是一种特殊的职业，他们担负着重大的责任和使命。

Compared with foreign armies, the somatotype armed policeman youth of China is mesomorph with the majority of balanced mesomorph and a medium in factor and a lower factor.

武警体型与外军标本比较均属中胚型，大多数为均衡中胚型，第Ⅱ因子和第Ⅰ因子都位置居中而第Ⅲ因子显低。

Parents and the headmaster of our school are currently debating whether or not we need an armed policeman in front.

我们家孩子学校的家长们和校长正在辩论是否需要申请在校门口安排一名佩枪的警察。

The common body-type of armed policeman youth is mesomorph ( 85.1%);

武警青年体型类型分布中85.1%为中胚型；

The somatotype of armed policeman youth is higher in factor and lower in factor than the same-aged local college students;

武警青年体型与同龄同性地方大学生比较，第Ⅱ因子高而第Ⅲ因子低；

Conclusions ( 1) The somatotype of armed policeman youth has the characteristics of full development of skeletal and muscular body with a considerable mesomorph;

结论（1）武警青年体型特点为骨骼肌肉比较发达，身体比较充实，体型类型高度集中于中胚型；

Exploration on the Developing the Military Policemen's Strength Quality

武警发展力量素质初探

Military officials say one policeman was killed in the clashes and dozens of people were injured.

埃及军方官员说，一名警察在冲突被打死，数十人受伤。