布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题。

Brucellosis is a worldwide problem of both public health and economic importance.

youdao

布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题。

Brucellosis is a worldwide problem of both public health and economic importance.

youdao