Mathematical models
[经] 数学模型
🧩 词语组成解析
n. 模型( model的名词复数 ); 模特儿; 模式; 典型
🗣️ 情景例句
I'm so glad everyone is asleep.
很高兴大家都睡了。
Sorry to keep you waiting.
抱歉让你久等了。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。