rift valley造句
61 The Kenyan Ministry of Health is carrying out clinical case management, and Rift Valley Fever wards have been established in Garissa Provincial Hospital as well as in Ijara district.
62 Seamounts, underwater volcanoes, Rift Valley, the mid - ocean ridge, constitute a rich world of the ocean floor.
63 In 1977/1978 a major Rift Valley fever epidemic in Egypt resulted in 200,000 human cases and 600 fatalities.
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