Totient
欧拉φ函数
🗣️ 情景例句
They had no way to communicate directly with Kurt.
他们无法和库尔特直接联系。
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.
要是你问哈里瓶里装着什么，他会告诉你是香水泥。