如何使用 "adventive" 造句

1. This is a primarily c asian variant , now adventive elsewhere .: 这是主要中亚变型，在别处现在外来。

2. The process itself is referred to as adventive embryogenesis .: 其过程本身称为不定胚胎发生。

3. European weed having a winged stem and hairy leaves ; adventive in the eastern united states .: 有多毛叶子的欧洲杂草，茎上有翼瓣；暂生美国东部。

4. Yellow-flowered european plant that grows on old walls and in waste places ; an adventive weed in north america .: 开黄花的欧洲杂草，长在老墙上和荒地上；是一种出现在北美的外来植物。