Epitrochoid
[机] 外转轴线
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
Ill air slays sooner thant the sword.
污浊的空气杀人比刀还要快。
and another 700 for the survivors to be reduced by half again.
剩下的一半人再过700年，才会又减少一半。