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
His father has to sell the farm to pay back the bank.
他的父亲不得不把家声卖掉以还债给银行。
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
That's for sure.
那是肯定的。