He didn't want to use negative numbers To measure temperature in Denmark outside.
他可不想用负数,来测量丹麦室外的温度。
麻省理工公开课 - 热力学与动力学课程节选
That's like bocce. We have this sort of metal ball.
有点像室外地滚球 用这样的金属球
耶鲁公开课 - 欧洲文明课程节选
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