Characteristics of Cows in Heat and Oestrus Determination;
母牛的发情特征与发情鉴定
Effect of Hormone Variety on Superovulation Result of Young Holstein Cows;
不同药物对荷斯坦青年母牛超排效果的研究
Study on the Seasonal Patterns of Cow Oestrus;
母牛发情的季节性规律初探
Techniques of Increasing the Conception Rates of Cows Inseminated with Frozen Semen;
提高母牛冻配受胎率的措施和方法
A young cow or bull.
小牛年幼的母牛或公牛
motherless calf in a range herd of cattle.
牛群中失去母牛的小牛。
The mature female of cattle of the genus Bos.
小母牛指母牛属的成年雌性牛
yearling heifer or bullock.
一岁的小母牛或小公牛。
The cow has produced a calf.
这母牛生了一头小牛.
The bull was riding the cow.
公牛正跨骑在母牛上。
The cow cast a calf.
母牛早产下一头小牛
Cows supply us milk.
母牛供给我们牛奶。
Hello, Cow. How are you?
哈罗！母牛，你好吗？
To bear(young).Used of cows or horses, for example.
怀有（幼兽）。如母牛或母马
A young cow, especially one that has not yet given birth to a calf.
小母牛年幼的母牛，尤指未曾生过牛犊者
A milk cow is a female, a bull is a male of the same animal.
奶牛是母牛，而公牛则是这种同类动物的雄牛。
Do not slaughter a cow or a sheep and its young on the same day.
无论是母牛是母羊，不可同日宰母和子。
"beef:a full-grown steer, bull, ox, or cow, especially one intended for use as meat."
牛:完全成长的阉牛、未阉割的牛、公牛或母牛,尤指因肉用而蓄养的牛。
A full-grown steer, bull, ox, or cow, especially one intended for use as meat.
牛完全成长的阉牛、未阉割的牛、公牛或母牛，尤指因肉用而蓄养的牛
No'm, de cow ain' daid.
不，小姐，那头母牛没有死。
The cows milk well.
这些母牛出奶率高。
pure bovine heifer bred for breeding
小母牛,纯种,供繁殖用