Bisecant
二度割线
🗣️ 情景例句
Of course. It's on the fifth floor of Building No.4. Let's go there.
当然可以。展室在四号楼五层，我们上去吧。
Virtue flies from the heart of a mercenary man.
唯利是图者，胸中无美德。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？