基本解释苹果北美果疤类病毒同根派生 ASSVd相关词英汉例句Apple scar skid viroid (ASSVd) 苹果锈果类病毒Apple scar skin viroid (ASSVd) 苹果锈果类病毒Apple scar skin viroid(ASSVd) 苹果北美果疤类病毒ASSVd更多例句