About once a year, houses made from adobe should be given a layer of mud.

VOA: special.2009.01.12

Pretty much I think about it only once a year, when I'm giving this very lecture.

最多是一年想一次，当我要上这节课时。

耶鲁公开课 - 死亡课程节选

Yeah, I actually, we have a concert here on Main Green once a year called "Spring Weekend"

是的，我们每年都会在梅因格林举办一场音乐会，叫做“春日周末”，

校园生活 - SpeakingMax英语口语达人

That's what my fondest memory is,too, of the little Valentine's hearts that come out once a year, little nice kind of love little candies with sayings on them."

VOA: special.2010.02.08

Even such concepts, such great American concepts let's call it that--as self-reliance about which Ralph Waldo Emerson may have written his greatest essay I go read Emerson's "Self-Reliance" at least once a year.

这样的观念,伟大的美国式的观念,让我们称呼它为,自助,这是拉尔夫·华尔多·爱默生写过的,最具影响力的作品,我每年至少读一次爱默生的《自助》

耶鲁公开课 - 美国内战与重建课程节选

And so,to the Germans of Pennsylvania, Saint Nicholas or Pelznickel was a man dressed in fur who came once a year with gifts for good children.Soon, people began to feel that the love and kindness Pelznickel brought should be part of a celebration honoring the Christkindl, as the Germans called the Christ child.

VOA: special.2009.12.20

We establish these targets, we review them once a year, we don't make changes in many years, they're quite stable, and when we do move them we don't move them by a lot.

我们设定了这些资产配置,每年都会评估一次,这些指标已经很多年没有变过了,十分稳定,即使我们要调整,也不会有很大幅度

耶鲁公开课 - 金融市场课程节选

You get bonus points if you do that at least once a year.

VOA: standard.2010.07.16

A stranger with a flair for cocktail party descriptive prose might have commented that the room, at a quick glance, looked as if it had once been tenanted by two struggling twelve-year-old lawyers or researchists.

一个鸡尾酒派对的调酒师,也能看一眼就对这件房子作出评论，他会看得出房间曾被两个奋斗的,12岁的律师或研究员租过。

耶鲁公开课 - 1945年后的美国小说课程节选

St.Louis has two science cafs. The second one - sponsored by Washington University - meets once a month during the academic year at a bar called the Schlafly Bottleworks.

VOA: standard.2010.05.04

Notably, it's typically required that it's one share, one vote and that there's it would be also required that there be an annual meeting-- at least once a year, a shareholder meeting-- and then the shareholders can vote on relevant issues.

还有些一般性条款,如一份股票代表一张选票,还比如年度会议,每年至少有一次股东会议,股东可以对相关议题进行投票

耶鲁公开课 - 金融市场课程节选