沃特林顿为两位科学家播放了录音，一位是罗杰·佩恩，另一位是凯蒂·佩恩。
Watlington played the recordings for a pair of scientists named Roger and Katy Payne.
但是两位科学家说要知道人们的头脑中到底在想什么是不可能的。
But the scientists said it was impossible to know what was really going on in people's heads.
2005年，两位科学家因发现幽门螺旋杆菌是大多数胃溃疡的病因而获诺贝尔奖。
In 2005, two scientists won a Nobel prize for discovering that a bacterium called Helicobacter pylori causes most stomach ulcers.
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