By the way, that's a comment on the first line (with the name of the source file for the code example).

顺便说一下，在第一行有一句注释(在代码例子中是源文件的名字)。

youdao

Anywhere on a line begins a comment to the end of the line.

在一行中不管从什么地方开始，都表示本行到末尾全部是注释。

youdao

I was, on occasion, shocked by what I read, and I learned some things I never knew I never knew, but only once did I make the comment that a line was too crass.

偶尔地，我被我读到的震惊，我知道了也许从不会知道的东西。

youdao

The site's disappearance provides a dividing line for a before-and-after study, but that study can't comment on the effect of other digital-piracy sources or on the impact of DVD piracy, and it is silent on piracy in countries where sales data weren't available or Megaupload wasn't popular.

WSJ: Studios Struggle for Focus on Film Pirates' Booty