Quadrinomial
a. 四項式的\\nn. 四項式
??? 情景例句
I had a busy day. I'm done.
我今天很忙，現在精疲力盡。
Right on, Packers!
加油，博卡茲！
The woman who lives next door is a doctor.
隔壁住著的那個女人是醫生。