Quadrics
二次型
🗣️ 情景例句
I'm happy to work with you.
很高兴和你们一起工作。
It seems doesn't understand.
看起来他好像不了解。
The place consisted of a straggling unmade road which was lined on either side by small houses.
这儿有一条未经修筑的弯弯曲曲的道路，路两边排列着一些矮小的农舍。