Only one task may hold the mutex at a time, and only this task can unlock the mutex.

一次只能有一个任务持有互斥锁，并且只有这个任务可以解锁互斥锁。

youdao

"It's liberating to be able to offer them this advice: that you spending time with your child and letting him play is one of the most valuable things you can do," he said.

他说：“能够为他们提供这样的建议真的令人感到畅快，即花些时间和你的孩子待在一起，让他玩耍，这是你能做的最有价值的事情。”

youdao

By this time I'm late, and one hour more or less makes very little difference.

到现在我已经迟到了，早一个小时或晚一个小时也没什么区别。

youdao

As histories tell it,he looked and looked at the first photograph, and said: "This is one for all time."

VOA: special.2010.05.31

Let me make sure that the user annotations are disabled this time and let's take a little look at this one here.

我先把用户信息注释去掉,然后开始播放。

哈佛公开课 - 计算机科学课程节选

OK. Now, having done that, again I want to stress this idea and I'm going to write it out one more time, that there's a particular format here.

好，讲完了这些，我又想要强调一下这个思想,并且再一次把它写出来了，就是有一个特定的格式。

麻省理工公开课 - 计算机科学及编程导论课程节选

Chevrolet is in its second year as a sponsor, and one goal this time around is to introduce its new Spark to young buyers.

FORBES: Chevy Gets Its Geek On For New York Comic Con

These dimensions all add up to the simultaneous expansion and compression of time, one that makes this time in life a kind of sweet spot.

WSJ: The Experts: Do We All Need 'Bucket Lists'?

If it's a good idea, it will have its time and this one has.

NPR: Plans for Hawaiian Monument Laid in 1999