circumvallate papilla
/ˈsɜːkəmvˌaleɪt papˈɪlə/
n
中文：轮廓乳头
Meaning：Each of the large taste buds (about 10) forming a lingual V at the back of the body of the tongue ensuring the taste function; they mostly perceive bitter flavors.
中文：轮廓乳头