一旦你撕开瓶子的封口,就没法将它重新合上。

Once you've broken the seal of a bottle there's no way you can put it back together again.

《柯林斯英汉双解大词典》

一旦你体验过南加州的户外生活，再要回到蒙大拿过冬就会感到很难。

Once you have tasted the outdoor life in southern California, it's hard to return to Montana in winter.

《柯林斯英汉双解大词典》

一旦你停止动脑筋,你很快就会变迟钝。

Once you stop using your brain you soon go stale.

《柯林斯英汉双解大词典》

Then, once you've done that, once you have secured the integrity and accuracy of the meaning, Hirsch says, "Okay, fine.

在你完成那个之后，一旦你确定了意思的真实性和准确性，赫施说，好的，不错。

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And once you know how it sounds, making those sounds for yourself would be a lot easier to do.

一旦你知道该怎么发音，你就能更加容易地把它说出来。

想征服英语的话 - SpeakingMax英语口语达人

But you'll see that once you get to final projects frankly, you're not gonna want to implement everything from scratch.

但是一旦你得出了最终方案，你就不会愿意利用框架去,实现任何功能了。

哈佛公开课 - 计算机科学课程节选