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oasis
Detail    speak
n.
(绿州) fertile or green spot in a waste or desert
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oath
Detail    speak
n. Syn. vow; pledge
(誓言,宣誓) solemn promise; commitment to tell the truth
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obedient
Detail    speak
a.
(服从的,顺从的) subject in will or act to authority; willing to obey; submissive to restraint, control, or command
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objective
Detail    speak
a. Syn. fair
(不为情所动的,公平的,客观的) not influenced by emotions; having actual existence or reality
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obligated
Detail    speak
a. Syn. required; responsible
(有义务的,有责任的) required; responsible; under a moral obligation to someone
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obligatory
Detail    speak
a. Syn. required
(必须的) morally or legally constraining; required; binding
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oblige
Detail    speak
v. Syn. force; compel; coerce
(迫使,责成) force; bind by an obligation; cause to be indebted; do a service or favor for
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oblivious
Detail    speak
a. Syn. forgetful
(遗忘的,出神的) inattentive or unmindful; lacking all memory; forgetful
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obscene
Detail    speak
n.
(淫秽的) offensive to accepted standards of decency or modesty; repulsive; disgusting
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obscure
Detail    speak
v. Syn. darken; hide; block
(使暗淡,使模糊,隐藏) darken; make dim or indistinct; conceal in obscurity
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obsess
Detail    speak
v. Syn. besiege
(纠缠,困扰) preoccupy the mind of excessively; besiege; compass about; dominate the thoughts of someone
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obsession
Detail    speak
n. Syn. fascination; mania
(入迷,固执的念头) compulsive, often unreasonable idea or emotion
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obsolete
Detail    speak
a. Syn. outmoded; antiquated
(过时的,无用的) no longer useful; outmoded; antiquated
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obstacle
Detail    speak
n. Syn. obstruction; impediment; hindrance
(障碍) one that opposes, stands in the way of, or holds up progress
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obstruct
Detail    speak
v. Syn. stop; impede
(阻塞(道路,通道等),妨碍,阻挠) stop; impede; shut out from view
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obtain
Detail    speak
v. Syn. acquire; get; procure; derive
(得到) get hold of; gain possession of; acquire, in any way
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occasional
Detail    speak
a. Syn. random; incidental
(偶然的,临时的) random; occurring from time to time; infrequent
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occasionally
Detail    speak
ad. Syn. sometimes; infrequently; irregularly
(偶尔) now and then; from time to time; infrequently; irregularly
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occupant
Detail    speak
n. Syn. tenant; dweller
(占有者,居住者) tenant; one that occupies a position or place
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occupy
Detail    speak
v. Syn. inhabit
(居住) inhabit; live in a certain place; be present in; be inside of
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