Quartic
a. 四次的\\nn. 四次方程
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
It is easier to descend than to ascend.
下降容易上升难。
It just took us a long time to get over the rocks.
我们花了很长时间才爬过岩石。