great rift valley
美
英
- 网络东非大裂谷；东非大地堑；大峡谷
un. | 1. depression extending more than 4,830 km (3,000 mi) from the valley of the Jordan River in Syria to Mozambique, forming the most extensive rift in the Earth's surface. The area is marked by a chain of seas and lakes and a series of volcanoes. |