Pi bond
[化] π键
🧩 词语组成解析
n. 圆周率\\n[计] 处理器接口, 程序中断
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
Step after step the ladder is ascended.
按部就班，循序渐进。
Not only had the poor man been arrested, but he had been sent to prison as well.
那个可怜的记者不仅被捕了，而且还被送进了监狱。