indentation
n. 压痕，[物] 刻痕；凹陷；缩排；呈锯齿状；首行缩进
复数 indentations
例句
The indentation gives you a visual cue as to which lines are related to each other.
缩进给你一个关于哪些行是相互关联的视觉提示。
Indentation or Space After a Paragraph?
段落前缩进还是空行？
The unit of indentation is four Spaces.
缩进的单位为四个空格。
