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n. 相关(性),相对论

拆分: re-回 + -lat-携带,拿取 + -ivity名词词尾  

例:
the Theory of Relativity 相对论
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That’s relativity. 当你和美女恋爱时,一小时好似一秒钟;当你坐在炽热的炉火上时,一秒钟好似一小时。这就是相对论。