Word: 光污染 (guāngwūrǎn) 光污染 dictionary entry guāngwūrǎn light pollution Full dictionary entry for 光污染 Example sentences using 光污染 2 sentences, showing page 1 of 1. 城市里的光污染影响睡眠。 Chéngshì lǐ de guāngwūrǎn yǐngxiǎng shuìmián. Light pollution in cities affects sleep. 晚上太亮也是一种光污染。 Wǎnshang tài liàng yě shì yìzhǒng guāngwūrǎn. Being too bright at night is also a kind of light pollution.