| 单词 | rock tripe | 
| 释义 | rock tripe in British Englishnoun  Canadian  any of various edible lichens, esp of the genus Umbilicaria, that grow on rocks and are used in the North as a survival food rock tripe in American English any of a genus (Umbilicaria) of large lichens, green on top and black beneath, attached to a rock surface | 
| 随便看 | 
 | 
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。