- 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 - When full, a saguaro stem can store up to five tonnes of water
吸饱水后 弁庆柱的茎干中 已储存了5吨左右的水 - and that's enough to see it through many months of drought.
这足以帮助它们度过几个月的旱季 - The trunks of these huge plants provide homes for the gila woodpecker.
这些立柱般的巨型植物 为橙腰啄木鸟提供了住所 - But birds are not the only animals to benefit from the presence of the cacti.
不过鸟并非唯一从仙人掌那里 获得好处的动物 - During four weeks of the summer
在夏季的4个星期里
and that's enough to see it through many months of drought. 这足以帮助它们度过几个月的旱季
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