Unary
a. [数]一元的
✅ 同义词
🗣️ 情景例句
Nervous?
紧张？
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
In Jim and Kate's house, Father Christmas is really Mr. Green.
在吉姆和凯特家里，“圣诞老人”实际上就是格林先生。