Combinatorial dual
[计] 组合对偶
🧩 词语组成解析
[计] 组合的
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
How do you tie it?
你怎么打的？
Would you open the door for me, please?
你能替我开门吗？
A detective recently watched a well-dressed woman who always went into a large store on Monday mornings.
一名侦探最近注意上了一位穿着讲究的妇女，她总是在星期一上午进入一家大商场。