GRE

oblique - a. 斜的; :: indirect obscure

obliterate - v. 涂去,擦去,删除;

oblivious - a. 易忘的,遗忘的,忘却的;

obloquy - n. 漫骂,叱骂,毁谤;

obnoxious - a. 可憎的,不愉快的,讨厌的;

obscene - adj.淫秽的

obscure - a. 微暗的,难解的,不著名的; v. 使...阴暗,隐藏,使...含糊; :: mysterious

obsequious - a. 谄媚的,奉承的,顺从的;

observatory - n. 天文台,气象台,了望台;

obsess - vt.使烦扰

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