Scedasticity
离中趋势; 方差性
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
of supplying sufficient details to enable the thing to be constructed.
而且向它提供制造核弹的细节，