危在旦夕位于美国西南部的索诺朗沙漠,靠近墨西哥边境,它的西边是浩瀚的太平洋。夏季的一天,布朗和妻子凯娜带着快满2岁的儿子洛斯,在海边沙滩上游玩。当布朗抱起洛斯准备驱车赶回他们位于400公里远的亚利桑那州的家时,洛斯突然大哭起来。“怎么啦,宝贝?”凯娜仔细检查了儿子身 At stake is the Sonora Desert in the southwestern United States, near the Mexican border, to the west of the vast Pacific Ocean. One day in summer, Brown and his wife, Kana, take their 2-year-old son, Los, to play on the beach by the sea. Los burst into tears as Brown picked up Los and was ready to drive back to their Arizona home, 400 kilometers away. “What’s the matter, baby?” Kane examined her son carefully