Constraint equation
[计] 约束方程
🧩 词语组成解析
🗣️ 情景例句
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
Do you know what's on tonight?
你知道今天上演什么？
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。