1. The farmer's wife was bottle-feeding a newborn calf in the barn. 农夫的妻子在谷仓里用奶瓶给刚出生的小牛喂奶。
2. He pulled a muscle in his calf while jogging yesterday. 昨天他在慢跑时拉伤了小腿肚子的肌肉。
3. The whale calf swam alongside its mother, learning how to navigate the ocean. 小鲸一边游泳一边跟随着母亲学习如何在海洋中航行。