habit

n. /ˈhæbɪt/ A1

习惯；习性

A thing you do often and almost without thinking.

仙境例句

The March Hare had a habit of moving to a clean cup instead of washing the old one.

三月兔有个习惯：不洗旧杯子，只挪到一只干净的杯子跟前。