04 游乐（2 / 11）

2. blosson [bl?s?m] v.（植物）开花

3. agreeable [?gri:?b?l] adj. 愉快的，宜人的

小贴士

yellowstoional park

in the winter of 1807, a lone fur-trapper journeyed deep into the heart of the rocky mountains. somewhere he headwater of the yellowstone river, he found a lost world. a wonderland, ruled by ice, fire and brimstone. a world of extremes that challenges all that strive to live here. winter in yellowstone, minus 40 degrees. for half the year, yellowstone is frozen solid. yet in the middle of this ice world there is scaldi. this is no ordinary plad there is no ordinary wihe fate of everything here lies in the hands of forces of almost unimaginable power. yellowstone is deep in the heart of the rocky mountains of north america. an isolated high plateau defended by rugged peaks. and its location is what makes it so different. right beh yellowstone a unique quirt of geology means that molten rock from deep in the earth es usually close to the frozen surfao one knows why it