Directrixes
n. [数] 准线
🗣️ 情景例句
You might want to read up a little on the culture before you get there.
去那儿之前，你应该读一些关于那边文化方面的书。
I hope you change his decision.
我希望你改变他的决定。
What were their names?
他们叫什么？