In the first 15 minutes, makes a concretearea completely soaked 3-4 times.
在最初的15分钟内，使有混凝土的区域完全浸透3 - 4次。
2
We walked to the square from our hotel (The Ledison) and it was a nice concretearea with grass.
广场的面积挺大的，绿化的挺好，草坪很干净，地面也是很整洁的。
3
As we investigate this emerging area of software development, I'll provide more concrete examples of the techniques and best practices we've discussed over the last two columns, so stay tuned!