慢速英语:Diseases Jump Borders to Infect African Livestock

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短语讲解：

1. He says that is why the Food and Agriculture Organization (FAO) and the World Organization for Animal Health are working together to destroy the diseases.

work together 合作; 同…在同一处工作; 同事
例句：They live and work together in complete equality and brotherhood.
他们完全平等和兄弟般地在一起生活和工作。

2. Many poor people in African countries depend on goats and sheep for their livelihoods.

depend on 依赖; 相信; 信赖
例句：The tides depend on the pull of the moon.
潮汐是月亮引力作用的结果。