Dōng / Fēi / Dà / Liè / Gǔ / shì / shì / jiè / shàng / zuì / zhù / míng / de / dì / zhì / gòu / zào / zhī / yī东非大裂谷是世界上最著名的地质构造之一。The East African Rift Valley is one of the world's most famous geological formations.