O 开头单词
ogallala n.奧加拉拉(在美國;西經 101º44' 北緯 41º09')
ofwat n.供水部
ofuro n.(日本人用的)大浴盆;大浴桶
ofuranodiene 四氫三甲基環癸竝呋喃
ofu 遠敷
oftware 軟件
ofttimes adv.時常=oftentimes.
oftstated adj.常說的
oftrepeated adj.多次重複的
oftline-programming 離線編程系統
oftimes adv. =often
ofthodontics 正牙術
oftentimes adv.屢次;常常=ofttimes.
oftenness n.頻率
oftenest adv.經常;時常;屢次
oftener adv.經常;時常;屢次
often-ailing n.多病的