For most people, being within range of a total eclipse is a once-in-a-lifetime event!

对于大多数人，能处在日全食范围内，一生只有一次的珍贵体会！

Yeah, I've only ever had one bad burn.

目前我只有一次严重烫伤的经历。

So at the moment, I've only got one long session per week.

所以目前，我每周只有一次长时间的学。

You know, once in a lifetime thing, a night of nights.

一生只有一次的夜晚啊。

I feel like it's a once in a lifetime opportunity to pursue my dream.

我觉得一生只有一次的机会去追求我的梦想。

And it's only after this cleansing that we have a world in which stuff dies.

只有经过样的一次清洗，我们的世界才会有死亡。

The only way to get past would mean ruining someone's possibly once-in-a-lifetime 30 Rock novelty photograph.

通过的唯一方法味着毁某人可能一生只有一次的 30 Rock 新奇照片。

He and Einstein had only one very brief conversation.

他和爱因斯坦只有一次非常简短的谈话。

Yeah, Steve, it was only once, yeah.

- 的，史蒂夫，只有一次，的。

There was only one blow that I ever really felt.

我真正感受到的只有一次打击。

Only once did the full meaning of my nomination hit me.

只有一次, 我的提名的全打动了我。

After their bloom ends, plants produce seeds that grow into new plants. Monocarpic plants have just one chance at this.

在它们的花期结束后，植物会产生种子，些种子会长成新的植物。 一次结实植物只有一次样的机会。

If you can visit New Orleans only once in your life, though, save it for the world-famous Mardi Gras.

不过，如果一生中您只有一次造访新奥尔良的机会，建议你不妨就选在闻名世界的玛蒂歌节吧！

It's passed down generationally, and we only get one chance a year to make a mistake.

它代代相传的，我们一年只有一次犯错误的机会。

With over 1000 luxe Bedouin-style tents in the desert, you can truly leave your footprints in the sands, in this once-in-a-lifetime experience.

沙漠中有超过 1000 顶贝都因风格的豪华帐篷，在一生只有一次的体验中，你可以在沙漠中留下你的脚印。

They returned the fund and more, with one, just one investment off of a faith and a relationship, really more than anything.

他们归还了基金，甚至更多，只有一次信仰和关系的投资，真的比什么都重要。

There is one key exception: the ball is allowed to bounce twice, and only the first bounce must be within the court's limits.

有一个关键的例外：允许网球在地上弹起两次，且只有第一次的反弹必须落在球场范围内。

It came together to pass one in the -- one in a generation, once in a generation infrastructure law, building bridges connecting our nation and our people.

我们齐心协力通过了一代人只有一次的基础设施法，为我们的国家和人民建立了桥梁。

Back when modern flooding records of Venice began in 1872, there was only one severe flooding event before 1950 in the city where the water reached a height of 1.4 meters above sea level.

早在 1872 年威尼斯的现代洪水记录开始时，到 1950 年之前，座城市只有一次严重的洪水事件，当时水位达到了海平面以上 1.4 米的高度。

Now, from your original starting level of 25, you have to make sure your opponent starts on a losing level every single turn— if NIM starts on a winning level even once, it’s game over for you.

现在， 从你最初的 25 级开始，你必须确保你的对手每回合都以失败的等级开始— —如果 NIM 哪怕只有一次以获胜的等级开始，你的游戏就结束了。