South Korea and the United States have announced they will conduct a joint anti-submarine exercise, widely expected to take place within a matter of weeks.

VOA: standard.2010.05.27

So, you assign values to very specific states of matter and call those the reference points for your temperature. For instance, freezing of water or boiling of water, the standard ones.

那么你对物质的,某些特殊状态指定数值,把它们叫做你的温度的参考点,比如水的冰点或沸点,它们都是标准。

麻省理工公开课 - 热力学与动力学课程节选

He said the expulsion is obviously a matter of concern to the United States and a step backward,and that North Korea has only brought upon itself further isolation.

VOA: standard.2009.04.15

"I mentioned the killings of journalists and I said that it is a matter of grave concern not just to the United States, but to the people of Russia, and not just to the activists, but to the people who worry that unsolved killings are a very serious challenge to order and to the fair functioning of society.

VOA: standard.2009.10.14