o开头的单词有哪些
obey vt.顺从 vi.服从;
object n.物,物体;目的;
object vi.反对;抱反感;
objection n.反对,异议;不喜欢;
objective a.客观的;无偏见的;
oblige vt.迫使;施恩惠于;
observation n.注意;观察;观察力;
observe vt.遵守;看到;说
obtain vt.获得,得到,买到;
obvious a.明显的,显而易见的;
obviously ad.明显地,显然地;
occasion n.场合,时刻;时机;
occasional a.偶然的;临时的;
occasionally ad.偶然;非经常地;
occupation n.占领,占据;职业;
occupy vt.占领;占,占有;
occur vi.发生;出现,存在;
occurrence n.发生,出现;事件;
ocean n.海洋;洋;
Oceania n.大洋洲