downer cow syndrome造句

例句与造句

1. But USDA's Detwiler said downer cow syndrome is a catch-all phrase that describes everything from a cow with a broken leg to one with a calcium deficiency.
2. He believes that it may explain some cases of " downer cow syndrome, " in which a cow lies or falls down and can't get up, eventually dying.
3. It's difficult to find downer cow syndrome in a sentence. 用downer cow syndrome造句挺难的