Constants
n. 常量, 常数；物理常数（constant的复数）
🗣️ 情景例句
Thank you, Mr. Wang. See you later.
谢谢您，王先生。再见！
Jeff was not pleased with his school grades.
杰夫不满意自己在学校的成绩。
What's the deadline?
截止到什么时候？