The only explanation Dr Clark can think of is that the star must have somehow shed nine-tenths of its mass before it exploded as a supernova.
克拉克博士想到的唯一解释是这颗恒星在爆炸成超新星之前可能减少了十分之九的质量。
But the zone is largely treeless, studded with house-size rocky chunks, called hummocks, that broke off the top of the mountain when it exploded.
然而这个区域还是基本上光秃秃的,布满了房子般大小的岩石块,形成一个个的小山岗,这些都是火山喷发的时候从山顶滚落下来的。
Hydrogen collected in the secondary containment buildings, where it exploded, blowing the tops off units 1 and 3, and damaging the cooling system of unit 2.
氢气在第二层安全壳内聚集,最终爆炸,将1号和3号的顶盖炸飞,损毁了2号的冷却系统。
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