Nand operator
[计] 与非算符
🧩 词语组成解析
[计] 与非
🗣️ 情景例句
having to take care of the baby all weekend.
整个周末照顾孩子。
The petroleum region is centered largely in the north.
那里的石油区大部分集中在北部。
But when table, penholder and paper are all moving, how is it possible to write legibly?
可是，当桌子、夹笔装置、纸都在移动时，怎么能书写得清楚呢？