Quartic
a. 四次的\\nn. 四次方程
🗣️ 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想听一些新的英文歌，我建议你上网下载。
Steve will certainly enjoy your company.
史蒂夫一定高兴跟你在一起。
We're going to substitute a better item for number 3.
我们将以品质较好的来代替三号产品。