Warning: file_put_contents(): Only 0 of 5552 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 rift valley英英字典_rift valley剑桥英语解释_rift valley柯林斯英文解释_骑士汉英词典
1. N a long narrow valley resulting from the subsidence of land between two parallel faults, often associated with volcanism. The East African Rift Valley is an example 裂谷