O字母开头的单词或词组(第1页):
- overflow
- opinion
- over
- opportunity
- over flow
- obvious
- origin
- opposite
- override
- observe
- often
- operation
- of course
- open channel flow
- ordinary
- option
- oliver
- ostelin
- opera
- original
- owner
- obtain
- open
- offer
- ortho-
- owing to
- O
- overnight
- overall
- odd
- official
- occupy
- object
- orgasm
- occur
- obey
- officer
- output
- ought to
- operating
- or
- on time