And they've put it deep down in an iron mine in Minnesota, OK, deep under the ground, and in fact, in the last couple of days announced the most sensitive results so far.
他们把它深深地放在明尼苏达州的底下铁矿中， 底下非常深的地方。实际上，在过去的几天里 至今所公布过的最敏锐的结果显示。