Poisson's equation
[化] 泊松方程
🧩 词语组成解析
🗣️ 情景例句
Good afternoon, Mr. Chen. Thank you very much.
下午好，陈先生。非常感谢。
I meet the boy whose aunt is a receptionist.
我遇到那个男孩的姑妈是接待员。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在，在有人来之前，你必须要呆着不动。