rhetian 英 ['riːtən] 美 ['riːtən] 词性 名词 基本解释 adj.&n.=Rhaetian 网络释义 [生]环天河 例证 The Rhetian Formation is a limestone layer found in parts of Switzerland. 同首字母单词 ra [ˈrɑː] raa raad ['rɑːd] raaf rabassaire [rəbə'seər] rabat rabaul rabbah rabbanist rabbanite rabbath rabbet ['ræbɪt]