adv.偶然地(非典型地；外来地)
Buds can develop adventitiously on other parts of a plant and are sometimes a means of asexual reproduction. 芽可以在植物体的其他部分发生，不定芽有时也意味着一种无性繁殖。
Lianas, sometimes rooting adventitiously, old stems sometimes developing prominent corky wings. 藤本植物，有时外来使生根，老茎有时发展突出的木栓质的翅。
Herbs, annual, decumbent or creeping, adventitiously rooting at nodes, glabrous. 一年生草本，外倾或匍匐的，在节上不定根，无毛。
