austere

The monks lived an austere life in the mountains, eating only simple grains and vegetables.

(Chinese) 僧侣们在山中过着简朴的生活，只吃简单的谷物和蔬菜。

The room's austere decor included only a bed, a desk, and a single wooden chair.

(Chinese) 房间简朴的装饰只包括一张床、一张书桌和一把木椅。