Domain of a function
函数的（定义）域
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Is it true that it's full of wonders there?
那里充满了奇异的景观，是真的吗？
By the street of Bye and bye one arrives at the house of Never.
迁延因循，一事无成。
I'm making a shopping list, Tom.
我在写购物单，汤姆。