The first man who came in was a large officer she had once seen talking to her father.

第一个进来的是一个大个子军官，她曾见过他和她父亲说话。

youdao

Since then she had not once seen him.

从那时起她一次也没有看见鲍里斯。

youdao

you might not know the name but his art, once seen, tends to stay with you.

弗兰克弗雷泽塔 ...你或许不知道他的名字，但他的艺术，一旦为你所见，终生难忘。

youdao

If you look at the world of Mycenae once again, we've already seen this, you have a despotism of some kind.

如果你重温一下迈锡尼,我们之前也讲过,你会从某种程度上想到专制

耶鲁公开课 - 古希腊历史简介课程节选

See, to be honest even though it might feel like a whole of new stuff at once, it's a pretty small language and so we've almost seen all of the syntactic features thus far so now we'll be able to start focusing more on concepts.

瞧，即使它感觉好像一个新的东西,它是一种相当小的语言,我们迄今看到的几乎所有的语法特征,现在我们将把重点放在概念上。

哈佛公开课 - 计算机科学课程节选

Once an invention is seen to work it is rapidly copied around the world.

而当一种创新品运行顺畅的时候,就会在世界范围内被模仿

耶鲁公开课 - 金融市场课程节选

It was once seen as a Scarlet Letter to have your movie go straight to DVD.

FORBES: The Improving Economics of Independent Film

McKinley, into a destination that was once seen mostly by a trickle of sinewy backpackers.

FORBES

Genentech's Avastin was once seen as one of the most promising cancer fighters around.

FORBES: Why Cancer Drugs Need Genetic Testing