“中间物”的英语？

在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.我们实际上遇到介乎此两个极端的中间物.We would actually encounter a mean between these extremes.这样可以得到最高产率的反应中间物,即目的产物.This ...