illumination device的用法和样例：
例句
- This invention relates to a household appliance illumination device mounted on a clothes-drying machine for mastering its internal state.
本发明涉及安装在衣物烘干机等家用电器上用于掌握电器内部状态的家电产品用照明装置。 - However, as there was no illumination of the graticule, the sight could not be used at night.
因为分划没有照明装置，所以不能在夜间使用。
