Constraint equation
[计] 约束方程
🧩 词语组成解析
🗣️ 情景例句
My car just got wrecked, it's not the happiest day of my life.
我的车刚坏掉了，今天真不好过。
When the sun comes in, the doctor goes out.
阳光入室，医生出屋。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。