So, the butter churning process can take anything up to 30 minutes to an hour and it is dependent on the weather, amongst other things.

接下来，黄油搅拌过程大概持续30分钟到一个小时，在各种因素中，我们主要看天气。

The movements occur not just laterally as the Earth's plates move across the surface, but up and down as well, as rocks rise and fall under the churning process known as convection.

移动不仅真的发生，就像地球的板块做平面移动那样，而且还上下移动，就像岩石在所谓对流的搅动作用之下时起时伏。