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
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
To blow smoke rings
喷出烟圈
They stretch out their legs like flying squirrels.
它们伸展四肢，就像飞行中的松鼠一样。