Totient
欧拉φ函数
🗣️ 情景例句
My wife and I spent our honeymoon at the inn.
我太太和我在你们旅馆度的蜜月。
Come to see me tomorrow if it is convenient to you.
你如果方便的话，明天来看我。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。