大学英语专业八级单词大全
- obedient
- oak
- oar
- obedience
- objection
- objective
- obligation
- obstacle
- obtain
- obvious
- oblige
- obscure
- occasion
- occasionally
- obviously
- Oceania
- occupation
- occupy
- occur
- occurrence
- odd
- odour
- offence
- offend
- offensive
- offer
- officer
- official
- offset
- offspring
- oil
- onward
- omit
- opera
- operate
- onion
- operation
- operational
- operator
- opinion
- opportunity
- opponent
- opposite
- optical
- oppose
- oppress
- optimistic
- optional
- orbit
- oral
- order
- orderly
- ordinarily
- ordinary
- ore
- organ
- organic
- organism
- organization
- orient
- oriental
- origin
- original
- organize
- originate
- ornament
- orphan
- ought
- ornamental
- ounce
- outbreak
- outcome
- outdoor
- outermost
- outer
- outlet
- outline
- outlook
- output
- overall
- outset
- outskirts
- outstanding
- outwards
- oven
- overestimate
- overflow
- overhead
- overcoat
- overcome
- overhear
- overlap
- overload
- overnight
- overseas
- overtake
- overthrow
- overlook
- overwhelming
- overtime
- overwhelm
- owing
- owl
- owe
- ownership
- ox
- owner
- oxygen