period用法_例句
period 朗读
period
音标：ˈpɪəriəd
period翻译
period双语用法和例句
相关单词
precede pisolite precondemn preordain predictive policlinic phenomenistic postboy plaga phenolase palau prophetical plasmagene parolee pharmacopsychosis picture prance photoreactivation phosphorylcholine pyorrhoea