in calf cow

例句：

1. 1. The farmer was worried about thecows being in calf during thewinter.
   农民担心牛犊在冬天会生病。
2. 2.The calf is growing well, andwe are hopeful that it will be readyto join the herd next year.
   这头小牛长得不错，我们期待它明年能加入牛群。
3. 3. The farmer decided totake the calf to a veterinarian for a checkup.
   农民决定带小牛去兽医那里做一次检查。