考博英语词汇单词大全
- obsess
- ominous
- optimal
- overt
- obesity
- obliterate
- oblivious
- occult
- omen
- opium
- oppression
- optics
- optimism
- ordeal
- ovary
- ovum
- outrageous
- oaf
- oatmeal
- oat
- obstetrics
- ocular
- officious
- oncology
- opiate
- orifice
- originality
- ornamental
- osmosis
- overcast
- oak
- oar
- oath
- obligation
- oblige
- obscure
- observation
- observer
- observe
- obstacle
- obstinate
- obstruct
- obstruction
- occasion
- occasional
- offence(-se)
- odds
- offend
- offensive
- officinal
- offset
- opaque
- opera
- onion
- ophthalmology
- opponent
- opportunity
- oppress
- opt
- optical
- optimistic
- optimize
- optimum
- option
- optional
- optometrist
- orbit
- orchard
- orchestra
- organ
- organelle
- organic
- organism
- orient
- oriental
- originate
- ornament
- orphan
- orthopedics
- osteoma
- ostrich
- otitis
- otorhinolaryngology
- outpatient
- oven
- overactivity
- overall
- overflow
- oversleeve
- overthrow
- overwhelm
- oxide
- oyster
- ozone
- outskirts
- oval
