您还可以双击源代码行旁边的标记栏。

You can also double-click the marker bar next to the source code line.

youdao

然后在第三栏中打上检查标记。

And put a check mark for each of those in column 3.

youdao

然后在第三栏中打上检查标记。

And put a check mark for each of those in column 3.

youdao