“他们仍需要解释为什么这种属性没有扩散到所有人，”科罗拉多大学波尔得分校的马修·凯勒问道。
"They still have to explain why it hasn't spread to everyone," says Matthew Keller of the University of Colorado in Boulder.
凯西和马修召集了家里所有成员还有挚友，并告诉小马修说他需要马上从学校赶回来。
Kathy and Matthew summoned family and close friends and told Matthew Jr. he needed to come home from college right away.
凯西对着走廊的窗户啜泣，路格博士和马修则走进了化验室。
Kathy wept against a hallway window while Dr. Luger and Matthew walked into an exam room.
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