大学英语2011考研英语核心单词大全
- occur
- object
- outline
- origin
- orient
- option
- omit
- odd
- occupy
- occasion
- obscure
- oblige
- objective
- overwhelm
- overtake
- overlap
- overflow
- orthodox
- ornament
- opaque
- offset
- offence
- offend
- overthrow
- overhear
- overhaul
- obstinate
- obsolete
- over and over
- out of practice
- out of touch
- out of the question
- out of sight
- out of place
- out of breath
- out of order
- once in a while
- out of doors
- out of date
- out of control
- once for all
- once again
- on time
- on the whole
- on the spot
- on the road
- on the point of
- on the other hand
- on the ground of
- on the contrary
- on second thoughts
- on schedule
- on sale
- on purpose
- on occasion
- on hand
- on foot
- on fire
- on guard
- on earth
- on duty
- on condition that
- on one hand
- on business
- on board
- on behalf of
- on account of
- on a small scale
- on average
- on a large scale
- off and on
- optimistic