Quadratic discriminator
[计] 二次判别器
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
n. 辨别者, 鉴别器\\n[电] 鉴别器
🗣️ 情景例句
He's a friend.
他是位朋友。
You'd better go at once, hadn't you?
你最好马上走，不对吗？
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。