英汉例句双语例句Karl Johnson had identified and photographed the Ebola virus just days earlier.卡尔约翰逊已经查明并拍摄了埃博拉病毒只是天前。原声例句One was a virus expert. Karl Johnson had identified and photographed the Ebola virus just days earlier.karl johnson更多例句词组短语短语Karl A Johnson 标签Karl D Johnson 标签karl johnson更多词组