inertia

n. /ɪˈnɜːrʃə/ C2

惰性；无活力；惯性

Lack of energy or desire to move or act.

仙境例句

Out of pure inertia, the Caterpillar stayed on its mushroom all day and all night.

毛毛虫懒得动弹，在蘑菇上待了一天一夜。