Nina tries to explain that Jack realized it was a mistake and ended it.
尼娜试图解释，她说，杰克认识到这是个错误就和她分了手。
Nina dejectedly tells Jack that they were unable to get the trace before the call was abruptly ended.
尼娜沮丧地告诉杰克，电话被突然挂断后，他们追踪不到手机的位置了。
These zircons ended up in the Jack Hills rocks after eroding from rocks that were even more ancient, and the researchers painstakingly sorted the individual crystals from other bits of minerals.
这些锆石是从年代更久远的岩石上被剥蚀下来之后进入杰克山的岩石中的，研究人员费了很大力气才把这些锆石晶体从其它矿物碎片中拣选出来。
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