(usu suggesting a sound like / \:; \/ made with the lips either spread or rounded very strongly 通常指类似/ \:/的声音, 发音时双唇呈扁或圆形) interj (used to indicate disgust or horror, and usu accompanied by an appropriate facial expression 用以表示厌恶或恐惧, 通常伴有相应的面部表情)
*Ugh! You're eating snails! 喔唷, 你吃蜗牛啊!

interjection
[Date: 1800-1900; Origin: Natural sound]
the sound that people make when something is extremely unpleasant
　Ugh! That's disgusting!