Quadrinomial
a. 四项式的\\nn. 四项式
🗣️ 情景例句
And if you don't?
要是你找不到呢？
Happy is the man that owes nothing.
无债一身轻。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。