Transmission of the Canine Distemper virus occurs via an aerosol-droplet route, direct contact, or possibly by contact with contaminated objects.是什么意思_Transmission of the Canine Distemper virus occurs via an aerosol-droplet route, direct contact, or possibly by contact with contaminated objects.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句