Significant economic losses can be associated with ALV - J infection.重大经济损失可以同ALV -J 传染联系在一起.Develop practical methodologies for diagnosis of ALV - J related field problems in broiler flocks.开发ALV -J 相关领域问题诊断的实用方法学在烤焙用具群...
She fasts a day every week.她每周绝食一天.She fasts once every week, and she has lost ten pound.她每周绝食一次, 至今她的体重已减了十磅.He fasts one day a week for health reasons.为了健康的因素,他一周禁食一天....