The public safety administration is one of the key parts of the modern civilization.

He trains in Brazilian Jiu-Jitsu five days a week.

他一个星期还练习五天的巴西柔术。

a couple of basic Brazilian jiu-jitsu moves.

基本的巴西柔术吧

Kit Dale, a two-time World Pro Brazilian Jiu-Jitsu champion from Melbourne, Australia, shared the image to his Facebook page on Sunday, writing: 'Hahahha smart dad.'

来自澳大利亚墨尔本的基特·戴尔是两届世界职业巴西柔道大赛的冠军。他于4月19日在自己的脸书主页上传了这张照片，并写道：“哈哈哈，机智的老爸！”

Resource management system is the foundation and core component of Grid environment.

资源管理系统是网格计算环境最核心的组成部分之一.

The Opening Ceremony is, at its core, just one big performance.

开幕典礼是, 在其核心的, 刚才的一大表现.

A legal framework with the Constitution at its core has basically taken shape in China.

以宪法为核心的法律体系框架基本形成.

The tidal forces of the galactic core are still too strong.

星系核心的潮汐引力还是太强了.

On really crucial matters they usually failed.

在真正关键的问题上,它们就不灵了.

Clearly some large and important piece of the mechanism had failed.

很显然,车上的某个大而且关键的部件出故障了.

Internet video ad has attracted wide attention from various business players since its appearance.

网络视频广告出现后不久,就引起了众多行业从业者的广泛关注.

Its practitioners must maintain an independence from those they cover.

其从业者必须能在某些掩饰之中保持主见.

Its practitioners must be allowed to exercise their personal conscience.

其从业者应被允许行使他们的个人良知.

Most practitioners love being approached by a student, and it's really effective.

大部分从业者喜欢和学生接触, 而且这真的很有效.

The service industry is not confined to women only.

服务性行业并不是只适合女性从业者.

The country has been ravaged by civil war and foreign intervention.

这个国家一直被内战外侵所蹂躏。

For thousands of square miles they had ravaged the land like locusts.

在成千上万平方英里的土地上,他们象蝗虫一样蹂躏了大地.

Melting ice caps and ravaged populations.

不断融化的冰盖和饱受蹂躏的民众.

Disease and conflict have ravaged parts of the African continent.

疾病和冲突使非洲大陆的部分地区惨遭蹂躏.

But in a country that had been ravaged by genocidal conflict, the progress is amazing.

但是,在这样一个曾受到种族灭绝冲突蹂躏的国家, 进展却令人惊奇.

The Black Plague ravaged Europe.

黑死病蹂躏了欧洲.