英语语法分析

But these interventions were relatively rare and Purbeck thinks that they’re relatively unimportant.

但这种干预相对较少，苏贝克认为这种干预相对也不太重要。

But these interventions were relatively rare and Purbeck thinks that they're relatively unimportant.

但这种干预相对较少，苏贝克认为这种干预相对也不太重要。

The retaining wall, as well as some interior flooring, is made from earth-grey Purbeck stone quarried from the nearby Jurassic Coast.

挡土墙以及一些室内地板是由产于侏罗纪海岸附近的土灰色波贝克石组成。