Lemniscate
n. [数]双纽线
🗣️ 情景例句
So you really don't see your way to get it down a bit?
你真的不能再降一点了吗？
If the sky fll (or falls), we shall catch larks.
异想天开
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。