1. The centre of the city is spotlessly [stainlessly] clean. 市中心一尘不染干干净净。
2. The University of Tennessee's Walters Life Sciences building, is a model animal facility, spotlessly clean, careful in obtaining prior approval for experiments from an animal care committee. 田纳西大学的沃尔特斯生命科学大楼,一尘不染,是一座典型的动物实验楼,在获得动物委员会对实验的事先批准方面十分谨慎。
3. The house had huge, spotlessly clean rooms. 那房子里有着宽敞而且一尘不染的房间。
4. The subway is efficient and spotlessly clean. 地铁快,而且一尘不染。