The National Ready Mixed Concrete Association points out that using ash in cement is not a new idea.

VOA: special.2009.12.01

How many bonding electrons does c l have? All right. Let's see, we've got a mixed response here, it turns out it has two bonding electrons.

氯有多少成键电子？好，让我们来看看，大家的回答不太一致，结果应该是两个成键电子。

麻省理工公开课 - 化学原理课程节选

Whatever he removes out of the state that nature has provided, " and left it in, he has mixed his labor with, and joined it to something that is his own, " and thereby makes it his property."

所以只要他使任何东西脱离自然所提供的状态，《政府论》第五章，“论财产“,脱离其现有状态，他就已经掺进他的劳动，在这上面施加了他自己所有的某些东西，因而，使它成为他的财产“

耶鲁公开课 - 公正课程节选

I mean sometimes if you have things that are a mixture of foods, like you go out for Chinese food or you have a casserole somewhere, or you have some dish of vegetables mixed together, how do you make sense of that when it comes to entering these things into a record.

我是说,有时候有一堆食物在你面前,如出去吃中餐,或你面前有一份大杂烩,又或者是很多蔬菜混合在一块,在输入饮食记录的时候,怎样才能让你输入的东西有意义呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选