Biquadrate
n. [数]双二次,四次幂
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
Help! I'm being killed.
救人呀！我要被杀死啦！
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。