They found that fat particles in human milk are coated with particular variants of two sugar-based proteins, called MUC-1 and MUC-4.
他们发现人乳的脂肪颗粒包被着两个糖基蛋白的特殊变种，命名为MUC - 1和MUC - 4。
2
But even at schools like MUC, stereotypes can also be misleading.
但即便是在民大，成见依然可能会导致误解。
3
Guli, a 21-year-old literature major at Minzu University of China (MUC), came to Beijing from the Xinjiang Uygur autonomous region with great anxiety in 2007.