You see how this epicycle theory could account for the seemingly backward motion of the planet.
你可以看到这个本轮理论是如何解释行星看起来像在做反向运动的。
The carbon cycle has thus acquired another epicycle, and become even more complicated to understand than it was.
碳循环因此又得纳入另一个亚循环，以致变得更加复杂难以理解。
The carbon cycle has thus acquired another epicycle, and become even more complicated to understand than it was.
碳循环因此又得纳入另一个亚循环，以致变得更加复杂难以理解。
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