roughstuff 英 ['rʌfstʌf] 美 ['rʌfstʌf] 基本解释 n.(弥补表面不平的)底漆 同首字母单词 ra [ˈrɑː] raa raad ['rɑːd] raaf rabassaire [rəbə'seər] rabat rabaul rabbah rabbanist rabbanite rabbath rabbet ['ræbɪt]