- attract long-nosed and long-tongued bats.
吸引了长鼻蝠和长舌蝠 - The bats left Mexico a few days earlier to escape the heat of summer
蝙蝠数日前离开墨西哥以躲避酷暑 - and are on their way north to the southern United States.
正向北飞往美国南部 - To get there, they have to cross the Sonoran desert.
要想到达那里 它们必须穿越索诺兰沙漠 - But the desert is so big
不过这片沙漠很大 - that for most of the year they would be unable to cross it.
它们一年中大部分时间都无法穿越这里 - Now, with the saguaro in bloom,
现在 有了正在开花的弁庆柱