In south Sudan gunmen from the Jikany-Nuer tribe looted a big UN aid convoy to prevent food supplies from reaching another Nuer group.是什么意思_In south Sudan gunmen from the Jikany-Nuer tribe looted a big UN aid convoy to prevent food supplies from reaching another Nuer group.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句