blue; like the color of a clear sky

lines or patterns on the surface of an object, such as wood grain or ripples

a solid or semi-solid food made from the pressed curds of milk; also written as 芝士 zhī​shì, 起士 qǐ​shì, 起司 qǐ​sī, 乳酪 rǔ​lào, or 吉士 jí​shì