等我完成时，整个房间一尘不染。

By the time I'd finished, the whole room was ___spotless.

坐在她的扶手椅上，安意识到，在瑞士医院一间一尘不染的病房里与母亲度过了许多艰难周后，她第一次独自一人。

Sitting in her armchair, Ann realized that she was by herself for the first time after many difficult weeks spent with her mother in a ___spotless bedroom of a Swiss hospital.

厨师的厨房总是一尘不染，反映了他高标准的要求。

The chef's kitchen is always ___spotless, reflecting his high standards.