Statistical problem
[计] 统计问题
🧩 词语组成解析
🗣️ 情景例句
What's this dish got in it?
这碟里面装的是什么东西？
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。