Backward difference
[计] 后向差分
🧩 词语组成解析
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
That radio's pretty loud. Could you turn it down, please?
收音机太响了，你能把声音开小一点吗？
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。