dib

they never got first dibs on great prospects.

好来轮不到他们先得。

I have dibs on that last piece of pie.

我有权利要最后一片馅饼

P - tert - octylphenol (shorten by PTOP), the alkylation product of phenol with diisobutylene(shorten by DIB), has been largely applying in varied fields such as rubbers, oil additives and so on.

对叔辛基酚（PTOP）作为二异丁烯（DIB）下游产品，是一种用途广泛、具有广阔市场前景精细化工产品。