Difference operator
[计] 差分算子
🧩 词语组成解析
🗣️ 情景例句
Get away from me!
离开我。
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
All that afternoon, I jumped and sang and did all kinds of things.
那天整个下午我跳呀，唱呀，做出各种样子逗她。