clean room

clean-room的词性：
n.（名词）

1. A room that is maintained virtually free of contaminants, such as dust or bacteria, used in laboratory work and in the production of precision parts for electronic or aerospace equipment.Also called white room
清洁室：保持绝对无污物（如尘埃或细菌）的屋子，用于实验室工作和电子或航天设备精密零件的生产也作 white room