- In an hour or two the sun will have burnt it off
1~2小时后 太阳将使它们蒸发 - and dry the surface of the cacti.
仙人掌表面将回复干燥 - 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 - some rain does fall.
这里有时会下一些雨 - But it is infrequent
可是降雨次数很少 - and when it does arrive
一旦雨水到来 - 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