1.(煮沸或发酵时发生的)浮渣,浮垢;沫子;渣滓,碎屑,(清炉)渣块
2.卑贱的人;下贱的人
3.〈美俚〉(服侍高年级生的)一年级大学生
1.去除(浮渣),撇去(沫子)
2.形成泡沫;生浮皮 (over) 变得满是浮渣
n.1.an insulting word for someone who you think is very unpleasant
2.a layer of a dirty or unpleasant substance that forms on the surface of a liquid
