Biquadratic
a. 四乘幂的, 双二次的\\nn. 四乘幂, 四次方程式
🗣️ 情景例句
That's what I say.
我也会这么说。
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。