weaner heifer

例句：

1. 1.The farmer is trying to wean his cows from the milk.
   农民正试图让他的奶牛从牛奶中分离出来。
2. 2.She was a weaner when she was young.
   她年轻时是个乳牛。
3. 3. The weaner is now ready for the first feeding.
   这个乳牛现在准备好第一次喂食了。