Dual variable
[计] 对偶变量
🧩 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
Stone has been out of work for three months.
世通已失业三个月了。
I often take a bath at night.
我常常在晚上洗澡。
I need your help.
我需要你的帮助。