That signal was so strong, it could only have been produced by 10 trillion tons of water buried in the sediment, collected over millions and billions of years by the impact of asteroids and comet material.
那信号非常强， 只有沉淀地下的10万亿吨水才能生成它， 那水是成百上千万年 小行星和彗星撞击遗留物汇聚而成