衍生 broody adj. 多产的；闷闷不乐的 brooder n. 沉思的人，孵卵器
翻译 I used to brood upon the unconscious irony of（我常常寻思那些无意的讽刺） those who felt that Negroes led so passional an existence.
同义替换 ponder v. 沉思，默想 reflect v. 认真思考；沉思 consider v. 考虑；认为 contemplate v.沉思
hostage [?h?st?d?] n. 人质
例句 He kept the pilot as a hostage.他把驾驶员当作人质。
翻译 Attacks against UN personnel have increased dramatically in the past few years, with many staff members killed, taken hostage, detained or made to “disappear”（被杀害、被扣作人质、被拘留或被造成“失踪”） while working in conflict areas.
