GRE
课程： A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- oafish
- oak
- oar
- oasis
- oath
- obbligato
- obdurate
- obedient
- obeisance
- obese
- obesity
- obfuscate
- objection
- objectionable
- objurgate
- oblation
- obligation
- obligatory
- obliging
- oblique
- obliterate
- oblivion
- oblivious
- obloquy
- obnoxious
- obscene
- obscure
- obscurity
- obsequies
- obsequious
- observance
- obsession
- obsolescent
- obsolete
- obstacle
- obstetrics
- obstinate
- obstreperous
- obstruct
- obstruction
- obtrude
- obtrusive
- obtundent
- obtuse
- obverse
- obviate
- occidental
- occult
- occurrence
- octogenarian
- ocular
- oculist
- ode
- odious
- odium
- odoriferous
- oesophagus
- offal
- offense
- offensive
- officious
- offish
- offset
- ogle
- ogreish
- ointment
- oleaginous
- olericulture
- olfactory
- oligarchy
- ombrometer
- omen
- ominous
- omission
- omnificent
- omnipotent
- omniscient
- omnivorous
- onerous
- onlooker
- onslaught
- ontic
- ontology
- onus
- oomph
- ooze
- opacity
- opalescent
- opaque
- operative
- operetta
- ophthalmology
- opiate
- opinionated
- opponent
- opportune
- oppressive
- opprobrious
- opprobrium
- optimism
- optimum
- optional
- opulence
- opulent
- oracle
- oracular
- oration
- oratorio
- oratory
- orchestic
- orchid
- ordain
- ordeal
- ordinance
- ordination
- ordnance
- ore
- orexis
- organism
- orgulous
- orient
- orientation
- orifice
- originality
- ornate
- ornery
- ornithology
- orotund
- orthodontics
- orthodox
- orthodoxy
- orthopedics
- oscillate
- oscillation
- osculate
- osculation
- osmosis
- osseous
- ossify
- ostensible
- ostentation
- ostracize
- ostrich
- otherworldly
- otiose
- outcast
- outface
- outfox
- outgoing
- outlandish
- outmoded
- outrage
- outrageous
- outre
- outset
- outskirts
- outstrip
- outwit
- ovation
- overact
- overbearing
- overbrim
- overdose
- overhaul
- overmeasure
- overreach
- override
- overriding
- overrule
- overt
- overture
- overweening
- overwhelm
- overwhelming
- overwrought
- owl
- oxyopia
- oyster
