Once in time there was a palace.

曾经这有一座宫殿。

youdao

Once upon a time, in the forest there lived a baby elephant, who had no friends.

从前，在森林里住着一只小象，它没有朋友。

youdao

Once upon a time, there was no tea at all in England.

从前，在英国根本没有茶。

youdao

That's why we said on the personality theory,as we went ahead in time, once the P-functioning stops,I don't exist anymore.

这就是为什么根据人格理论的说法，随着时间流逝，人格功能停止，我也不再存在。

耶鲁公开课 - 死亡课程节选

So it'll be a time once or twice a week where they will be in their office.

所以，他们大概每周有一两次会在办公室里。

与教授的面谈 - SpeakingMax英语口语达人

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Mr. Walker says 142 pairs of "tube" stations are closer by foot than by train, once factoring in time spent descending to and ascending from the platform, and waiting.

WSJ: Timing an Urban Stroll Isn't a Walk in the Park

Yet in the run-up to the handover of Macau to the Chinese in 1999, the Portuguese government took a renewed interest, keen to ensure a lasting legacy once their time in Macau was over.

BBC: Macau beyond the roulette wheel

Andy Falconer made the "once in a life time discovery" when out searching with fellow treasure hunter Rob Farrer.

BBC: Bishop's seal found in field on display at museum