Crews in Nevada are narrowing their search for adventurer Steve Fossett to a 50-mile-radius around the air strip where he took off last week.是什么意思_Crews in Nevada are narrowing their search for adventurer Steve Fossett to a 50-mile-radius around the air strip where he took off last week.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句