lions have disappeared from much of Africa, but for the past few years scientists have wondered if the big cats were hanging on in remote parts of Sudan and Ethiopia.
2017年12月四级真题（第二套）听力 Section A
with the exception of South Africa, the only light rail metro system in sub-Saharan Africa is in Addis Ababa, Ethiopia.
2017年12月四级真题（第三套）阅读 Section C
英英词典释义
Noun
1. Ethiopia is a republic in northeastern Africa on the Red Sea; formerly called Abyssinia