Cactuses are very unique plants. 仙人掌是非常奇特的植物。

　　They live in hot and dry places like deserts. 它们生活在类似沙漠这样的炎热干旱地带。

　　They usually don't have leaves 它们通常没有叶子。

　　They have thin and sharp spines. 它们有细小且尖锐的刺。

　　How do these spines help cactuses live in the deserts? 这些刺是如何帮助仙人掌在沙漠中存活的呢？

　　Cactus spines do not need much water, and they protect cactuses from insects and animals. 仙人掌的刺不需要大量的水，而且能防止昆虫和动物的干扰。

　　Where do cactuses save water? 仙人掌在哪里储水呢？

　　They save it in their trunk to use it later. 它们在枝干上储水来备用。