Copernican system
哥白尼学说；[天] 哥白尼体系
🧩 词语组成解析
a. 哥白尼学说的, 哥白尼系的
🗣️ 情景例句
We once found a cat.
我们有一次找到一只猫，
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
He has completed the task.
他完成了这个任务。