adventive creature外来生物
adventive root[植] 不定根;不定根
adventive homoeosis外来同源异型
adventive bud[植] 不定芽
adventive eruption侧边喷发
adventive embryony不定胚
adventive children外来儿童
adventive crater寄生火口;侧裂火山口;[地质] 寄生火山口
adventive embryo不定胚
ADJ（形容词） (of a species) introduced to a new area and not yet established there; exotic (物种)外来的
N（名词） such a plant or animal 外来的动植物