I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

2 3 Well, son of a gun, one, two, three, four, five, six, sulfur, We've got six. We've used all the electrons.

真见鬼，4，5，6，硫，共六个，我们已经用掉了所有的电子。

麻省理工公开课 - 固态化学导论课程节选

Okay, so there are two designations used for God. Yahweh, which is the sacred Tetragrammaton, it's written with four letters in Hebrew, they don't include vowels.

上帝有两个名字，耶和华，犹太人上帝的名字,在希伯来语由四个字母构成，希伯来语没有元音。

耶鲁公开课 - 旧约导论课程节选

So what this means, if you used to have two children and now you have four, how do you provide for the extra two?

比如一家过去有两个孩子,现在多了两个,多了两张嘴,怎么办呢

耶鲁公开课 - 古希腊历史简介课程节选

As I'll explain later in class, in Florida there used to be many, many, many varieties of oranges and now there are about four and there are commercials reasons for this occurring.

稍后我会详细解释,在佛罗里达州曾经有很多种类的橙子,而现在那里大概仅剩四种,这一切的发生归咎于商业上的原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选