radiocast 英 ['reɪdɪəʊ'kɑːst] 美 [ˌreɪdɪoʊˌkɑːst] 基本解释 v.&n.=radiobroadcast 同首字母单词 ra [ˈrɑː] raa raad ['rɑːd] raaf rabassaire [rəbə'seər] rabat rabaul rabbah rabbanist rabbanite rabbath rabbet ['ræbɪt]