单词	primary power source
释义	primary power source 主动力源
随便看	sentence of eight words sentence of exemption from prosecution sentence of implied condition sentence of imprisonment sentence of life imprisonment sentence of real condition sentence of rejecting a complaint sentence of same meaning sentence of ten words sentence of this type sentence of unreal conditio sentence of unreal condition sentence on prisoner Sentence optimum selection Sentence Order sentence-oriented grammar sentence paraphrasing sentence parsing sentence part sentence parts sentence patlem sentence patterm sentenceth sentencing factors sentencing guideline