Difference equation
[计] 差分方程
🧩 词语组成解析
🗣️ 情景例句
She said she'll call you later.
她说她等会儿给你电话。
May I have a disembarkation card?
请给我一张离机卡好吗？
They will think that you are the eyes and ears of the manager.
他们会认为，你是经理的耳目。