Epitrochoid
[机] 外转轴线
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
Lovers live by love,as larks live by leeks.
情侣靠爱情生活，正象云雀靠韭葱生活一样。
Don't you remember?I had to water it every day.
你记得了吗？我不得不每天浇水。