Limacon
[数]利玛松, 蚶线, 蜗牛形曲线
🗣️ 情景例句
I grew up in that house.
我就在那栋房子长大的。
Men know where they were born, not where they shall die.
人能知其生于何地，不能知其死于何方。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。