O 開頭單詞
ogallala n.奧加拉拉(在美國；西經(jīng) 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(huán)癸并呋喃
ofu 遠(yuǎn)敷
oftware 軟件
ofttimes adv.時(shí)常=oftentimes.
oftstated adj.常說的
oftrepeated adj.多次重復(fù)的
oftline-programming 離線編程系統(tǒng)
oftimes adv. =often
ofthodontics 正牙術(shù)
oftentimes adv.屢次；常常=ofttimes.
oftenness n.頻率
oftenest adv.經(jīng)常；時(shí)常；屢次
oftener adv.經(jīng)常；時(shí)常；屢次
often-ailing n.多病的