Epicyclic
a. [数]周转圆的,[天] 本轮的
🗣️ 情景例句
Everything is fine, Michelle.
一切都好， Michelle。
Fine, thanks. And you?
很好，谢谢，你呢？
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。