Until 1980 only one of these viruses was registered as a control agent, a CPV of the pine caterpillar Dendrolimus spectabilis.是什么意思_Until 1980 only one of these viruses was registered as a control agent, a CPV of the pine caterpillar Dendrolimus spectabilis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句