he was devastated,for all his cattle were lost in the catastrophe为什么cattle不加s却用were

cattle是单复数同形的 同sheep一样

英文中有些 单词的复数和单数同形 如people deer sheep fish

cattle是单复数同形的词语,指牛,牛群
同类词还有salmon,deer,police,staff,trout,news,Chinese等等