这种疾病主要影响牛类动物。
This disease primarily affects ___bovine animals.
这些大型动物属于牛科，有着典型的牛类特征。
These large animals are ___bovines with typical cattle-like features.
他带着一副牛一般的表情缓慢地咀嚼着食物。
He chewed his food slowly with a ___bovine expression.
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