🧩 词语组成解析
n. 方程式；等式；均等；均势（equation的复数形式）
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
Which one is heavier?
哪一个是较重的？
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。