That sounds risky to me. What if an accident happens?

听上去挺有风险的。如果发生意外呢？

So, Ben got the camera so that he could show what it's like to be a cyclist on the road, and also to protect himself from blame if there was an accident.

因此本用摄像机是为了别人解释在路上骑自行车是什样的，同时如果发生意外的话，也可以保护自己免受责备。

So if we forget about enhancing people and we just try to make them healthier using genetic modification, this technology is so new and so powerful, that by accident we could make them sicker.

先不谈改造人类的议题，就只是尝试着用基因改造来让人类更健康这件事，这项技术这的新，这的强而有，旦发生意外，我们也可能会让他们更不健康。

If a passenger had an accident, what would you do?

如果有乘客发生意外，你会？

When I had my accident I said, okay, this is impossible.

当我发生意外时，我说，好吧，这不可能。

This prevents accidents and also lets the snow removal trucks do their work.

这可以防止发生意外同时让除雪车可以开工。

" She had an accident while she was skiing and broke her leg."

例如，‘她在溜冰的时候发生意外摔断了腿’。

I want access to the steering wheel and the brake, just in case.

我希望在发生意外的时候， 我能亲自操控方向盘和刹车。

They found the stuff I had on me the night of the accident.

他们找到了发生意外那晚 我的随身物品。

Just a back entry way make sure no surprises still in it.

只是进入该城市后方的个入口，确保不发生意外。

Drop a pin and share it with a loved one in case something happens.

将定位与亲朋好友分享，以防发生意外。

I wish I didn't thou cause I really love music.

我很喜欢音乐 没发生意外就好了。

So, the potential for something bad to happen is definitely there.

所以，发生意外的可能性是显而易见的。

He says it's unlikely to have such an accidental incursion two times in a row.

他表示，不可能连续两次发生意外入侵领空的情况。

Even the gas supply is turned off to prevent accidental explosions.

就连煤气供应也被切断以免发生意外爆炸。

This way, we won't worry about any more accidents. Hmm?

这样的话 我们就不必 再担心发生意外了？

And what if there is an accident?

如果发生意外？

If a bad accident happens and you fall in the pool before you're good at swimming, well, you'll want someone close to you who can jump into the water quickly and help you out.

设想下，若不幸发生意外， 在你尚未熟练游泳时便落入池中，你定会希望身边有人能迅速跃入水中， 将你救起。 若他们距离遥远， 便无法施以援手。

Because when people, for example were in an accident, and the accident happened to them and the left side of the prefrontal cortex was damaged, very often they became more depressed.

因为人们发生意外时，意外发生在他们身上，左侧前额皮质受损时，他们经常变得更抑郁。

What people want to know is why what should have been a fairly straightforward construction project ended in such terrible disaster. It is the latest world news from the BBC.

建筑工程为什会发生意外，这是人们最想知道的。BBC全球新闻。