Unknown number
[计] 未知数\\n[化] 未知数
🧩 词语组成解析
🗣️ 情景例句
Tom, is that you?
汤姆，是你吗？
Who is the auther of this biography?
谁是这篇传记的作者？
Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp.
现在他身穿蓝军装，肩扛步枪，在军营门前大胆地来回走看。