Physicists studying the issue talk not about time machines but about closed timelike curves (CTCs).
讨论这
想法
物理学家,谈
不是
光机器,而是
迴
(closedtimelikecurve,CTC)。

一种想像中
)
机器Physicists studying the issue talk not about time machines but about closed timelike curves (CTCs).
讨论这
想法
物理学家,谈
不是
光机器,而是
迴
(closedtimelikecurve,CTC)。

:以上例句、词性分
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