Proficience
n. <古>前进, 进步
✅ 同义词
🗣️ 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
What right do you have to tell me what to do?
你凭什么指使我？
These were the so-called mainframe machines.
它们被称为主机。