飞机将食品、衣物、毯子、药品和水空投到崎岖多山的边界地区。Planes parachuted food, clothing, blankets, medicine and water into the rugged mountainous border region.威尔士是个多山的地区, 所以我才如此的深爱它.Wales is very mountainous, which is why I love It'so much....

“多山的”的英语可以翻译为：mountainous ...