Obsidian is a kind of black glass formed when the heat of a volcano melts the silica material in sand.

VOA: special.2009.09.16

Milton opens up a shady space for something approaching a kind of moral relativism where black and white theological categories simply don't apply.

弥尔顿为接近道德上的相对主义,即黑和白之间的区分已经无法简单的适用,开创了先河。

耶鲁公开课 - 弥尔顿课程节选

kind of a uniform here. It's like the New York uniform, "Must wear black."

就好像是这里的制服，好像是纽约的制服，“你必须要穿黑色”。

上东区的氛围 - SpeakingMax英语口语达人

She soon began making movies. Lena Horne said that she was able to make movies because she was the kind of black person that white people could accept.

VOA: special.2010.05.23

In some ways the most distinctive literature America has is a kind of Southern literature, white and black.

在某种程度上,美国最有特点的文学,就是一种南方文学,关于白人和黑人

耶鲁公开课 - 美国内战与重建课程节选

One is a kind of deep-water black coral called Leiopathes.

VOA: special.2009.05.12

So what I want to do today is look closely first at the selections from Black Boy that I asked you to read and to look at those as a text and to ask ourselves what kind of story it is.

它们细微的差别,我先读部分《黑孩子》,先前我布置给大家去阅读,并思考几个问题,我发现了什么,故事是什么类型。

耶鲁公开课 - 1945年后的美国小说课程节选