Unknown number
[计] 未知数\\n[化] 未知数
🧩 词语组成解析
🗣️ 情景例句
Well, I had a really nice time.
嗯 我玩得很开心。
When in doubt, play trumps.
举棋苟不定，何妨将一军。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。