奥巴马每周电视讲话:总统庆贺国家公园管理局设立100周年(1)
Hi everybody. Earlier this summer, Michelle, Malia, Sasha and I headed west—to the national parks at Carlsbad Caverns and Yosemite. 嗨，大家。今年夏初，米歇尔、马利亚、莎莎和我去了西部的卡尔斯巴德洞窟国家公园和优诗美地国家公园。 And I've got to say, it was a breath of fresh air. 我得说，这是呼吸新鲜的空气的地方。 We explored hundreds of feet underground, standing beneath...