Quadratic
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
You said it.
你说对了。
Experience is the father of wisdom and memory the mother.
经验是知识之父，记忆是知识之母。
No, I didn't do that either. I just washed it in cold water.
不，我也没有那样做。我就是用冷水洗的。