Word: 紫外线 (zǐwàixiàn) Traditional: 紫外線 紫外线 dictionary entry zǐwàixiàn ultraviolet ray Full dictionary entry for 紫外线 Example sentences using 紫外线 4 sentences, showing page 1 of 1. 戴帽子可以挡紫外线。 Dàimàozi kěyǐ dǎng zǐwàixiàn. Wearing a hat can block UV rays. 紫外线很强，要做好防护。 Zǐwàixiàn hěn qiáng, yào zuò hǎo fánghù. The UV rays are strong, so take good precautions to protect yourself. 臭氧层能挡住紫外线。 Chòuyǎngcéng néng dǎngzhù zǐwàixiàn. The ozone layer can block ultraviolet rays. 阴天的紫外线也会伤皮肤。 Yīntiān de zǐwàixiàn yě huì shāng pífū. UV rays on a cloudy day can still harm your skin.