海啸发生之后冷却系统失效导致了氢气爆炸，这把放射物吹出了核电站，注入氮气的行为就是为了防止这一悲剧再次发生。
That was to prevent a repeat of the hydrogen explosions that blew radiation out of the plant soon after cooling systems failed in the wake of the tsunami.
前两家公司落后的管理和通气工作，以及许多致命错误，导致了一些意料之外，多余的危险，最终悲剧发生。
Poor management and communication within and between the companies, as well as a number of outright errors, led to unnecessary and unrecognised risks being taken.
但14周后，悲剧发生了。医生发现两胎儿脐带纠结在一起，于是切断了彼此的血液供给，最终导致胎死腹中。
But then tragedy struck at 14 weeks when doctors discovered the twins umbilical cords had become tangled, cutting of each other's blood supply, causing them both to die in the womb.
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