无情的通古斯
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
The "Tunguska Event" that flattened over 800 square miles of Siberian forest in 1908 was caused by a stony asteroid only 50 meters in diameter exploding in the lower atmosphere.
CNN: Space's threat to civilization
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。