Comedo

[kɒmidәu]

解释:

(n.) A small nodule or cystic tumor, common on the nose, etc., which on pressure allows the escape of a yellow wormlike mass of retained oily secretion, with a black head (dirt).

整理:特蕾西

解释:

n. a small black-tipped worm-like mass which is found on the face of some persons.

以利沙整理