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
What are you up to?
你在忙些什么？
There's many a good tune played on an old fiddle.
老当益壮。
Because he doesn't like school!
因为他不喜欢上学。