换句话说，这种在以前被认为是前奏的行为正慢慢演变成主要过程。

In other words, behaviour that was once considered mere foreplay, a kind of precursor or accessory to the main event - the starter, if you like - is increasingly becoming the main course.

youdao

这样的过程占当今地球氢气损失总量的60 ~ 90%，也是金星氢气损失的主要过程。

This process accounts for 60 to 90 percent of the present loss of hydrogen from Earth and most of the hydrogen loss from Venus.

youdao

土壤风蚀是目前全球性土地退化的主要过程之一，土壤风蚀预报可以指导与检验各种土壤风蚀防治措施。

Wind erosion is one of the primary processes leading to land degradation and wind erosion prediction can be appllied to guiding and testing various wind erosion control practices.

youdao

So now, now that we've got all three of the major laws of thermodynamics, what I want to start in on is a discussion of what happens spontaneously.

现在既然我们已经得到了,热力学的三个主要定理，我想现在开始讨论的是,什么过程会自发进行。

麻省理工公开课 - 热力学与动力学课程节选