obey
obey/əˈbei/vt.&vi.服从，听从，遵守：obey the law守法；obey the order(the rules)服从命令（遵守规则）You ought to obey your parents.你应当遵从父母。He refused to obey.他拒绝服从···
object
object/ˈɔbdʒikt/ I.n.［c］1.物体：a heaven object天体Tell me the names of the objects in the room.告诉我这房间里物体的名字。2.目标；目的：What’s your object in doing that?你干那···
objection/objective
objection/əbˈdʒekʃən/n.反对，异议（to）：enter a formal objection in writing用书面形式正式提出异议；make an objection to …反对…；offer/raise an objection to …对…提出了异议···
obligation
obligation/ˌɔbliˈɡeiʃən/n.［c］义务，责任：a legal (moral) obligation法律上(道德上)的义务；the obligation of good citizenship好公民的义务［考句］Parents have a legal obligati···
oblige/bliging
oblige/əˈblaidʒ/vt.1.迫使：The law obliges parents to send their children to school.法律要求家长一定要送孩子上学(接受义务教育)。She was obliged to abandon that idea.她被迫放弃那···
obscene
obscene/ɔbˈsin/adj.淫秽的，下流的(尤指想法、书籍等)：obscene book淫秽书；obscene songs黄色歌曲；obscene jokes下流的笑话；obscene literature色情文学；obscene pictures淫画
obscure
obscure/əbˈskjuə/ I.adj.1.不出名的，不重要的：an obscure writer无名作家；an obscure village偏僻的村庄2.费解的：Is the meaning still obscure to you?你对这意义还不清楚吗?［考句］T···
observation/observe/observer
observation/ˌɔbzəˈveiʃən/n.1.［u］观察，观察力: avoid (escape) one’s observation避免(逃避)别人注意；under observation被监视This telescope is used for the observation of dist···
observatory
observatory/əbˈzə:vətəri/n. [c]天文台，气象台：Purple Mountain Observatory紫金山天文台；Royal Greenwich Observatory格林威治皇家天文台Guy’s house was close to the observatory.···
