Dual operation
[计] 对偶运算, 对遇操作
🧩 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
has agreed to take care of him for the weekend.
同意在周末照顾他。
Your shoe lace is loose.
你的鞋带松了。
You're welcome.
别客气。