You will have to wear and life jacket in case the raft gets upside down.

So what ? You'll be safe with a life jacket and a helmet on.

那又 怎么样 ?穿上救生衣和戴上安全帽你就万无一失了.

Should be safer with life jacket, but too inconvenient, will not wear it.

穿救生衣应该会安全些, 但太不方便, 还是不穿了.

The life jacket buoyed her up until help arrived.

救生衣使她浮在水上直到获救.

We should wear a life jacket when we go diving.

潜水时我们要穿救生衣.

Everyone wears a life jacket while kayaking.

划独木舟的时候,每个人都会穿一件救生衣.

If you're going out on a boat, always wear a life jacket.

假如你坐船出游, 你应该穿上救生衣.

His life jacket buoyed him up.

救生衣使他浮在水面.

Safety is the life-line of railway transportation.

安全是铁路运输的生命线.

Build good life line, for healthy do assure.

建好生活线, 为身体健康做保证.

Underground pipelines is an important life line in cities.

城市地下管线是城市的生命线工程.

Melanie hung onto it as life line, straining , pulling it taut, slackening it, tearing it.

媚兰拉着它就像拉着自己的生命线似的, 时而紧张地拽住, 时而放松一下, 随意地撒扯着.

Transportation is the life line of the city.

交通是城市的命脉.

We must not draw back from official development assistance – a life-line of billions, for billions.

我们决不能背离官方发展援助——这是一条价值数十亿之巨的生命线,也是数十亿人的生命线.

The life line represents health, and the longer it is, the healthier someone is.

生活线表现健康, 而且它是愈比较长的, 某人是愈比较健康的.

As one of life line systems, the damage of transmission tower could cause great economic loss.

统计显示, 风荷载作用下输电塔结构的动态侧倾失稳是输电线路经常发生的破坏形式之一.

I'd have catched your hands, just like catching the life line.

我会抓住你的手, 仿佛抓住的是生命线.

Only Singapore citizens are eligible for application to be an Ordinary or Life member.

只有新加坡公民可以申请作普通或终身会员.

It is set up, pericardium , including the quarter , including the years, life member!

可以设置计点、包月 、 包季 、 包年 、 终生会员!

May also consider using some scrap tire inner tubes made of simple life preserver.

也可考虑使用一些废弃轮胎的内胎制成简易救生圈.

This is a life preserver.

这是救生用品.