Quadratic selection
[计] 二次选择
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
Remember, the number 1 train. The uptown platform.
记住，搭一路车，在北月台 。
How do you do?
你好！
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。