浑圆

yī lún hún yuán de yuè liang

一轮浑圆的月亮

a full moon

hún yuán de zhēn zhū

浑圆的珍珠

perfectly round pearl

tā yǒu gè xiàng shì xián chuāng bān hún yuán qī chéng lǜ sè de dà mén

它有个像是舷窗般浑圆、漆成绿色的大门。

It had a perfectly round door like a porthole, painted green.