专八
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
- oak
- oar
- oasis
- oath
- oats
- obedience
- obedient
- obese
- obesity
- obey
- obituary
- object
- objection
- objective
- obligation
- obligatory
- oblige
- obliterate
- oblivion
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- oboe
- obscene
- obscenity
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- obscurity
- observance
- observant
- observation
- observatory
- observe
- observer
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- obsessive
- obsolete
- obstacle
- obstinate
- obstruct
- obstruction
- obtain
- obvious
- occasion
- occasional
- occidental
- occupancy
- occupation
- occupational
- occupy
- occur
- occurrence
- oceanography
- October
- octopus
- odd
- odds
- ode
- odour
- of
- off
- offence
- offend
- offender
- offensive
- offer
- offhand
- office
- officer
- offset
- offshore
- offspring
- often
- oh
- oil
- oily
- ointment
- okay
- old
- olive
- Olympic
- omega
- omelette
- omen
- ominous
- omission
- omit
- omniscient
- on
- once
- one
- oneself
- ongoing
- onion
- online
- onlooker
- only
- onset
- onslaught
- onto
- onward
- onwards
- ooze
- opal
- opaque
- open
- opener
- opening
- opera
- operate
- operation
- operational
- operative
- operator
- opinion
- opium
- opponent
- opportunity
- oppose
- opposite
- opposition
- oppress
- oppressive
- opt
- optical
- optics
- optimal
- optimise
- optimism
- optimistic
- optimum
- option
- optional
- opulent
- or
- oracle
- oral
- orange
- orator
- orbit
- orbital
- orchard
- orchestrate
- orchid
- ordain
- ordeal
- order
- orderly
- ordinal
- ordinance
- ordinary
- ore
- organ
- organic
- organisation
- organise
- organism
- orgasm
- orgy
- orient
- oriental
- orientation
- origin
- original
- originality
- originate
- ornament
- ornate
- orphan
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- orthodox
- orthodoxy
- oscillation
- ostensibly
- ostentatious
- ostrich
- other
- otherwise
- ought
- ounce
- our
- ours
- ourselves
- oust
- out
- outbreak
- outcast
- outcome
- outcry
- outdated
- outdoor
- outdoors
- outer
- outfit
- outgoing
- outgrow
- outing
- outlandish
- outlaw
- outlay
- outlet
- outline
- outlook
- outnumber
- outpost
- output
- outrage
- outrageous
- outreach
- outright
- outset
- outside
- outskirts
- outspoken
- outstanding
- outward
- outwards
- outweigh
- oval
- ovation
- oven
- over
- overall
- overboard
- overcast
- overcoat
- overcome
- overcrowd
- overdo
- overdose
- overdraft
- overdue
- overflow
- overgrown
- overhear
- overjoyed
- overlap
- overleaf
- overlook
- overly
- overnight
- override
- overrule
- oversea
- overseas
- overshadow
- oversight
- overstate
- overt
- overtake
- overthrow
- overtime
- overture
- overturn
- overview
- overweight
- overwhelm
- overwhelming
- ovum
- owe
- owing
- owl
- own
- owner
- ownership
- ox
- oxide
- oxidize
- oxygen
- oyster
- ozone
