that is a cow改为复数形式：Those are cows.
cows
n. 牛；乳牛（cow的复数）
例句：
Cows are sacred to Hindus.
印度教徒把牛奉为圣物。
He kept a few dairy cows.
他养了几头奶牛。
The cows are artificially inseminated.
这些母牛被人工授精。
There were cows grazing beside the river.
有些牛在河边吃草。
The cows are out now, grazing in the pasture.
牛群现在出去了，正在牧场上吃草。
温馨提示：
