n. female of domestic cattle: "`moo-cow' is a child's term"
n. mature female of mammals of which the male is called `bull'
n. a large unpleasant woman
n. 母牛, 母兽
vt. 威胁
1. The cow is grazing in the field.
牛正在田野里吃草。
2. Farmers raise cows for milk and meat.
农民养牛是为了牛奶和牛肉。
3. I saw a big brown cow on my way to school.
我在上学的路上看到了一个大棕色的牛。