the saguaros bloom at night to attract visitors. 弁庆柱在晚上开花 吸引了不少拜访者
the giant saguaros, one of the biggest of all cacti, 巨大的弁庆柱 ——一种世界上最大的仙人掌
After a rainstorm the saguaro's long shallow root system sucks up the water 暴风雨过后 弁庆柱 用又长又浅的根系吸收水分
and the pleats on its trunk enable it to expand rapidly. 茎上的皱褶使之能迅速膨胀
animals and plants have to be ready to make the most of it. 所有动植物都必须 做好准备尽量地利用它们
The Sonoran desert in Arizona is not quite so dry as the Atacama - 亚利桑那州的索诺兰沙漠 并不像阿塔卡马沙漠那样干旱
The guanacos make the most of the dew 原驼尽量舔吮露水