羊痘病毒 ( Capripoxvirus,CPV ) 是山羊痘病和绵羊痘病的病原.Capripoxvirus ( CPV ) was the agent of goat and sheep pox disease.对109个疫点及其受威胁区的337061只绵羊,注射了山羊痘疫苗,取得了良好效果.Five to ten days after injection, sheep pox was controlled.山羊痘和绵羊痘病(Goat...
青少年正过早地失去他们童年的纯真。Youngsters are losing their childhood innocence too quickly.艾格妮丝·史沫特莱在艰难的环境下过早地结束了自己的一生.The end for Agnes Smedley came untimely and under difficult circumstances.她由于他过早地宣布婚约而心神不安.She had been perturbed b...