bovine cystic haematuria

例句：

1. 1. The farmer milks his cow every morning.
   这个农民每天早上挤牛奶。
2. 2. Cattle are often used for transportation and as food.
   牛常被用来运输和作为食物。
3. 3.The cow was so fat that it couldn't stand up on its own.
   这头牛太胖了，以至于它自己站不起来。