一头牛英文怎么说a cattle

"一头牛"在英语中称为"a cattle"。其中"cattle" 源自古英语中的"catel"，意为家畜。

例句：

The farmer raises a large herd of cattle. (农民养了一大群牛。)
The cattle were grazing in the field. (牛在田野里吃草。)
The price of beef is determined by the supply and demand for cattle. (牛肉的价格取决于牛的供求。)