close
obs-
obscure adj.
The room is too obscure for reading.
The meaning of the passage is obscure.
obscene adj.
The police seized a quantity of obscene publications.
obstacle noun.
something that makes it difficult for you to achieve your aim
obvilion noun.
Many ancient cities have long since passed into oblivion.
Full professor 教授
Associate professor 副教授
Assistant professor 助理教授
全站熱搜
留言列表