Noun:

1. any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem

Aciu阿丘ACabbr.(=alternating current)交流电abbr.(=actinium )元素锕abbr.(=air-conditioning )空气调节acousto-optic scanning声光扫描Acanthoparyphium marilaen.潜鸭刺缘吸虫Acinetobacter coccoideum类球菌不动杆菌acrylonitrile hydrolysis丙烯腈水解Acanthopanacis senticosi刺五加Acronema astrantiifoliumn.星叶丝瓣芹Acanthopanax cissifoliusn.乌蔹莓五加acoustooptic-deflector声光偏转器ac-globulin deficiency加速凝血球蛋白缺乏, 副血友病Acanthopanax rehderianusn.匙叶五加