高中单词

O

• observe
• obtain
• obvious
• occupation
• occupy
• occur
• Oceania
• offence
• officer
• official
• offshore
• oilfield
• Olympics
• operation
• operator
• oppose
• optimistic
• optional
• oral
• orbit
• organ
• organise
• organization
• organize
• origin
• otherwise
• ought
• outcome
• outer
• outgoing
• outing
• outline
• output
• outspoken
• outstanding
• outward
• outwards
• oval
• overcome
• overhead
• overlook
• overweight
• owe
• ownership
• oxygen