interlinear

形容词 interlinear:

1. written between lines of text
   同义词：interlineal

in.ter.lin.e.ar

adj.Printing （形容词）【印刷术】
Inserted between the lines of a text.
书写于行间的：在课本的行间插入的
Written or printed with different languages or versions in alternating lines.
有不同文字隔行对照的：隔行以不同文字或译文书写或印刷的