Parametrical
a. [数][物][晶]参(变) 数的,参(变)量的
🗣️ 情景例句
If you aren't busy today, how about lunch?
如果你今天有空的话，吃一顿午饭如何？
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
She does not know London very well, and she lost her way.
她对伦敦不很熟悉，因此迷了路。