Biquadratic
a. 四乘幂的, 双二次的\\nn. 四乘幂, 四次方程式
🗣️ 情景例句
Yes.
是的。
Money is the root of all evil.
金钱是万恶之源。
The gaoler looked on eagerly, anxious to see if his fellow actor had at last learnt his lines.
狱卒热切地观察着，急于想了解他的同事是否记熟了台词。