Despite its image as a sports-mad country full of fit, sun-bronzed ( 2) youth, Australia in reality is battling the bulge ( 3) and challenging the United States as the world's fattest nation. 澳大利亚展示给世界形象总是狂热爱好运动、体形苗条、皮肤古铜色的年轻人,而事实上澳大利亚人正在和肥胖做斗争,几乎能和美国竞争世界最胖国家的头衔。