Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

He arrived in the land of Midian, and sat down beside a well.

逃往米甸，并且在一口井边定居。

耶鲁公开课 - 旧约导论课程节选