1.ranges from ...范围
例句:A Category 3 hurricane ranges from 111 mph to 130 mph.
三级飓风的时速范围是111英里到130英里。
2.millions of 成千上万的;无数的
例句:Millions of people were immolated in World War I.
千百万的人们在第一次世界大战中被残忍杀害。
3.coral reefs 珊瑚礁
例句:If we lose the coral reefs welose the ability for marine ecosystems to generate new species in thefuture.
如果我们失去珊瑚礁,就将失去将来为海洋生态系统孕育新物种的能力。
4.the center of ...的中心
例句:At that time Vienna was the center of a vast empire ruleing central Europe.
那个时候的维也纳是一个巨大帝国的中心,帝国统治着中欧。