retardation读音_例句
retardation 朗读
retardation
音标：ˌriːtɑː'deɪʃən
retardation翻译
retardation双语用法和例句
相关单词
rachel rutted racon rectenna reverie replacer rowanberry reconcentration ryokan rumpless ranking reupholster rewardful reader rotatablely rollerdrome ratsbane roumania retrosternal regular