Dual constraint
[计] 对偶约束
🧩 词语组成解析
dual
['dju(:)əl]
adj. 双的，两部分的，二体的，二重的;
n. 双数;双数词;
🗣️ 情景例句
But I was lucky enough to have a career as a music teacher
但我很幸运， 有一个音乐教师的事业
A small leak will sink a great ship.
一个小漏洞可能弄沉一艘大轮船。
Sometimes I think this house will be knocked down by a passing plane.
有时我觉得这房子就要被一架飞过的飞机撞倒。