This is the 3934th most frequent Chinese word.
主线
Main storyline; primary thread.
Used to describe the main thread or central theme of a narrative.
这个故事的主线是关于亲情的描写。
The main storyline of this story is about the depiction of familial affection.
Refers to primary objectives or focused main tasks in a context such as a game or a project.
我们需要把主线任务完成后再去探索其他内容。
We need to complete the mainline tasks before exploring other content.
Indicates a central plot or main theme being developed in a cinematic work.