By communal, we mean they reflect the traits and the concerns of a particular community at a particular time.

我们说的“公共”指的是它们反映了特定时期特定群体的特点和关注点。

youdao

I don't want to be tied to coming home at a particular time.

我不想受按钟点回家的束缚。

《牛津词典》

I ask questions about the reasons for the onset of symptoms at a particular time.

我的问题是关于症状在特定时刻发作的原因。

youdao

Okay, if anybody has questions about this one in particular you can ask Christina after class or at a different time.

如果大家有问题想单独问她,可以在下课后或其他时间问她

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

whenever you want to express what you are doing at a particular moment in time.

当你想表达在某一时刻你在做的事情时，你都可以用这个句型。

I'm ~ing 课堂 - SpeakingMax英语口语达人

That is basically saying, given some collection of data, I want to have again a looping mechanism, where now my process is, walk through this, the collection one element at a time. And for that, we have a particular construct, called a FOR loop.

现在我的过程就是,通过一个个访问这个集合中,的元素的方式，来遍历这个集合,为了达到这个目的，我们有一个特定的结构，成为FOR循环。

麻省理工公开课 - 计算机科学及编程导论课程节选

The thing about a paper document is that it came into existence at a particular time.

FORBES: After The Post Office

E-speak is a translator of information available on the Internet that's needed at a particular time.

CNN: HP's Fiorina: Net just isn't friendly enough yet

If you need to overdraw to cope with extra expenditure at a particular time remember to ask your bank first.

BBC: Pile of coins