名词
中文翻译：小牛
同义词：
['cow', 'calf例句：1. The cows are grazing in the field.（奶牛们在田野里吃草。）']
例句：
-
1. The cows are grazing in the field.
奶牛们在田野里吃草。
-
2. The calf is still too young to be milked.
这头小牛还太小，还不能挤奶。
-
3.Cows are a source of meat for people in many parts of the world.
在世界上许多地方，奶牛是人们肉类的来源。