| 释义 |
natural infection
基本例句
自然感染
This is the first report of the presence of FMDV in bull semen due tonatural infectionin China.这也是我国首次证实自然感染牛的精液被口蹄疫病毒污染。
Pathological observation on Cervus elaphus yarkandensis naturally infected with Sarcocystis sp.塔里木马鹿自然感染住肉孢子虫病的病理学观察。 |