adventn.出现;到来
adventitious property非直接继承的财产
adventitious deafness偶发性聋
adventitious planting引种
adventitious immunity后天免疫性
adventitious embryony不定胚生殖
adventitious pathogen随发性病源
Adventitial fibroblast血管外膜成纤维细胞
adventitious variation不定变异
adventitious membranae[医] 异位膜
Adventitious ornaments外来的装饰