英语词汇“retrovaccination”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	retrovaccination
释义	ret·ro·vaccination \\|re.trō+, sometimes \|rē.trō+\ noun Etymology: retro- + vaccination : vaccination in which smallpox virus from human vesicles is used as seed virus in producing smallpox vaccine in cattle
随便看	down-to-earth downtonian down to the ground downtown downtowner down tree downtrend downtrod downtrodden downtroddenness downturn down-twister down under downward downwardly downwardness downwards downwarp downwash downwind downwith down with down wool downy downy

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