zhè kuài / yù shí / jié bái / tòu liàng / jié jìng wú xiá / shì / nán dé / de / zhēn pǐn

这块玉石洁白透亮，洁净无瑕，是难得的珍品。

This piece of jade is white and translucent, clean and spotless, a rare treasure.