英汉农业词典-O开头 ... Opatrum sabulosum L. 沙拟步甲 [体扁平椭圆形,灰黑色,长约1厘米。体表多疣,善假死。幼虫灰褐色,颇似金针虫,体长可达1.5-1.7厘米。成虫喜为害苜蓿幼苗把全株都吃掉。幼虫吃苜蓿和其它植物的幼根] open association 散生(植物)群丛 open community 散生群落 ...
2
?稀疏群丛
... 稀疏流冰 open pack; open drift ice 稀疏群丛open association 稀疏群落 open community ...
Shortly after he took over the Reader's Digest Association in 1984, George Grune unlocked the company's boardroom and announced that the room was now open to the employees.