Luckily, due to the height of the explosion - estimated at between 15 and 20 km (nine to 12 miles) above sea level - no damage was caused on the ground.
幸运的是，爆炸的高度估计在海平面以上十五至二十公里(九至十二英里)之间，因而没有对地面造成危害。
Luckily, due to the height of the explosion - estimated at between 15 and 20 km (nine to 12 miles) above sea level - no damage was caused on the ground.
幸运的是，爆炸的高度估计在海平面以上十五至二十公里(九至十二英里)之间，因而没有对地面造成危害。
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