这是他们的十周年纪念日。

It is their tenth anniversary.

youdao

杰夫：那这是什么纪念日呀？

Jeff: So what was the anniversary for?

youdao

如果你的另一半不能帮你跑腿或者忘记了你们的纪念日，提醒自己：这是病情导致的。

If your spouse can't remember to run errands or forgets your anniversary, remind yourself: it is a medical condition.

youdao

I sat there. It was during the Patriot's Day, no, the President's Day weekend, sitting here Friday, Saturday, Sunday, Monday, stacks of them going: yes, no, hell no.

我坐在那，那是爱国日，不，是总统纪念日的周末，坐在这周五，周六，周日，周一，不断看资料：,好的，不行，天哪不行。

麻省理工公开课 - 固态化学导论课程节选