1. The cactus is a xeromorphic plant that has adapted to survive in arid regions.
（仙人掌是一种适应干旱环境的植物，能在干旱地区生存下来。）

2. Xeromorphic leaves have thick cuticles and smaller surface area to minimize water loss.
（适应干旱环境的叶子具有厚的表皮和较小的表面积，以减少水分流失。）