Drying concrete for roads and environments where it rains all the time is difficult.

对于经常下雨的道路和环境来说，干燥混凝土会很困难。

It obviously rains a lot in these biomes and that makes things like drying concrete for your roads or foundations rather difficult.

在这些生物群落中，雨水显然非常多，这使得道路或地基的混凝土干燥工作变得相当困难。