Quadratrix
割圓曲線
??? 情景例句
A diamond of this size is unique.
這種尺寸的鉆石是獨一無二的。
A hot story is waiting in the city!
在市內有熱門的消息等著我們。
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5歲那年，父親就帶我出了國，那是18年前的事了。