Mice, unlike most people, cannot force a smile or disguise their disgust (as far as we know). Most of us may not have realized that their tiny, fuzzy faces can muster an emotional expression at all.
원문출처 : https://www.cnn.com/2020/04/02/world/mice-facial-expressions-scn-trnd/index.html
원문출처 : https://www.cnn.com/2020/04/02/world/mice-facial-expressions-scn-trnd/index.html