您要查找的是不是：
- The cattle are at grass. 牛在牧场上吃草。
- The cattle are eating grass on the pasture. 牛正在草场上吃草。
- The cattle are fed on barley, grass and rape. 用大麦，草和油菜喂养牲口。
- Cattle are at grass. 牛群在牧场上吃草。
- The cattle were pastured on rich meadow grass. 这些牛是在丰盛的草场上牧放的。
- The cattle are on the grassland. 牛在草地上。
- The cattle are grazing in the field. 牛在田野里吃草。
- The cattle are grazing in the meadow. 牛养在草场上吃草。
- Don't just be at grass,why can't rebelled! （别只是无所事事！何不反叛一下！）
- The cattle are grazing in the sunshine. 一群牛在阳光下吃草。
- The cattle are rounded up in the evenings. 到了晚上，牛都要圈起来。
- The cattle were grazing in the field. 牛在原野上吃青草。
- Make sure all the cattle are safely penned up. 一定要将所有的牛都关好。
- The cattle were milling about in the field. 牛群在田里乱走着。
- The cattle are grazing in the fields. 一群牛在田野里吃草。
- The cattle are grazing near the river. 牛正在河边吃草。
- The cattle are so nervous at this time of year that they will spook at a dog,and run wild for no reason. 每年到这个时候牛都很神经质，看到一条狗也会受惊，无缘无故发疯狂奔。
- The cattle were well fenced out. 牛群被妥善地隔在栅栏外面了。
- The cattle were grazing in the fields. 牛群在田野中吃青草。
- The meals in this hotel are at set times. 这家旅馆的用餐时间是固定的。
