Quartic equation
[计] 四次方程
🧩 词语组成解析
a. 四次的\\nn. 四次方程
🗣️ 情景例句
Cloning technology is good news for those patients who need organ transplants.
克隆技术对于那些需要器官移植的病人来说是个福音。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
I went there three days ago.
我三天前去过那儿。