Governing equation
[计] 控制方程
🧩 词语组成解析
[计] 调节, 控制
🗣️ 情景例句
using as many letters as possible.
尽可能多用字母，
Can I speak to Mr. Li?
我能请李先生讲话吗？
Many offices use answering machines to give information.
许多办公室使用留言机来提供信息。