Backward difference
[计] 后向差分
🧩 词语组成解析
🗣️ 情景例句
A generation raised on junk food could turn out mentally vulnerable.
在零食中长大的一代人，注定精神脆弱。
Old wood is best to burn, old horse to ride.
老柴好烧，老马好骑。
What a strong wind! It's blowing strongly.
好大的风啊！风刮的好大。