penumbra读音_例句
penumbra 朗读
penumbra
音标：pə'nʌmbrə
penumbra翻译
penumbra双语用法和例句
相关单词
prosecutive pun plummer peneplain probably peculator pardon pharmacological pusillanimous pereira prophylaxis polavision peacekeeping psychotherapeutics pectinose preselector painstaker prelate pleiad philosophist