Some are yellow, some are red, and some are green - does anybody know what this is?

一些是黄色,一些是红色,一些是绿色的,有人知道这是什么吗

耶鲁公开课 - 生物医学工程探索课程节选

Some of them have the capability of becoming red blood cells which carry oxygen in the blood.

一些能够成为红细胞,红细胞是血中携氧的细胞

耶鲁公开课 - 生物医学工程探索课程节选

All right. Just some other examples: a red light over a street door.

好吧，现在让我们看看例子：,临街门上的红灯。

耶鲁公开课 - 文学理论导论课程节选

Think about--Look at some places in the room where the curtains with their red.

仔细思考,再看看,教室里其他地方,比如窗帘是红色的

耶鲁公开课 - 死亡课程节选

These junctions, these red dots here are actually made up of proteins, some are synthesized by one cell, some are synthesized by each other, and they lock together to form a very tight barrier, to form a tight junction between the two cells.

这些红点表示细胞连接,实际上是由蛋白质构成的,有些是由一个细胞单独生成的,有些是由两个细胞共同生成,使这两个细胞紧锁在一起形成紧密的屏障,并在两细胞间形成紧密连接

耶鲁公开课 - 生物医学工程探索课程节选

Once you get that, once you get the value, "Christmas tree," as opposed to "red lights," "red lights" being perhaps a part of some Christmas trees, then you see that you're back in a semiotic system and a very obvious one, because a Christmas tree is a not-menorah, not-Kwanzaa candles.

一旦认识到这点，红灯，指的其实是圣诞树“,红灯是圣诞树的一部分，那么你会发现你回到了符号学的解释中，圣诞树不用于犹太教或者非洲人的节日。

耶鲁公开课 - 文学理论导论课程节选