positron读音_例句
positron 朗读
positron
音标：pɒzɪtrɒn
positron翻译
positron双语用法和例句
相关单词
paroxysmic per punctilio play puff parageusia plowhead picking paradisiac pellucidly prodigal punkie phylum personation postlady phosphagen phenobarbital pepsine pomaceous phytane