Pi
n. 圆周率\\n[计] 处理器接口, 程序中断
📖 牛津释义
pi
n
1 the sixteenth letter of the Greek alphabet (, ), represented in English spelling by `p' 希腊字母表的第十六个字母（）, 英语拼写中用 p.
2 (geometry 几) symbol () representing the ratio of the circumference of a circle to its diameter (ie 3.14159) 圆周率（即3.14159）.
🗣️ 情景例句
Come in, Michelle,
请进 ，Michelle
Everything is good when new, but friend when old.
东西新的好，朋友老的好。
This company is our regular customer.
这家公司是我们的老客户。