Many plants would drown here, but grasses thrive. 许多植物会被淹死 而草本却会茁壮生长 They grow so fast, 它们长得飞快 their leaves quickly rise above the water and into the sunlight. 茎叶迅速伸出水面 沐浴在阳光下 Here in southern Africa, 在南非 water transforms one of the most re...
They grow so fast, 它们长得飞快 their leaves quickly rise above the water and into the sunlight. 茎叶迅速伸出水面 沐浴在阳光下 Here in southern Africa, 在南非 water transforms one of the most remarkable grasslands on Earth, 降水能让世界上最奇特的草原之一改头换面 the Okavango. 奥卡万戈三...
might arrive all at once. 可能会一次来临 Storms like these can release 12 inches of rain in 24 hours. 这样的暴雨在二十四小时内能达到三百毫米降雨量 Not much fun if you're out in it. 淋起来可不好受 Eventually the earth can't soak up any more, 最终土壤无法继续吸收雨水 and the grassl...
Storms like these can release 12 inches of rain in 24 hours. 这样的暴雨在二十四小时内能达到三百毫米降雨量 Not much fun if you're out in it. 淋起来可不好受 Eventually the earth can't soak up any more, 最终土壤无法继续吸收雨水 and the grassland undergoes a radical change. 草原...
Not much fun if you're out in it. 淋起来可不好受 Eventually the earth can't soak up any more, 最终土壤无法继续吸收雨水 and the grassland undergoes a radical change. 草原也完全变了样子 Many plants would drown here, but grasses thrive. 许多植物会被淹死 而草本却会茁壮生长 They gr...
Eventually the earth can't soak up any more, 最终土壤无法继续吸收雨水 and the grassland undergoes a radical change. 草原也完全变了样子 Many plants would drown here, but grasses thrive. 许多植物会被淹死 而草本却会茁壮生长 They grow so fast, 它们长得飞快 their leaves quickly rise a...
they share with most animals on the world's open plains. 开始辽阔草原上不断迁徙的生活 Grasslands occur where rain is too sporadic for forests to exist. 降雨量不足以养育森林时就会出现草原 The rain that a grassland needs to survive for a year 草原生长所需的年降雨量 might arrive a...
Grasslands occur where rain is too sporadic for forests to exist. 降雨量不足以养育森林时就会出现草原 The rain that a grassland needs to survive for a year 草原生长所需的年降雨量 might arrive all at once. 可能会一次来临 Storms like these can release 12 inches of rain in 24 ho...
The rain that a grassland needs to survive for a year 草原生长所需的年降雨量 might arrive all at once. 可能会一次来临 Storms like these can release 12 inches of rain in 24 hours. 这样的暴雨在二十四小时内能达到三百毫米降雨量 Not much fun if you're out in it. 淋起来可不好受 Eventually...
so their numbers grow rapidly just when grass is plentiful. 这样能够在草源充足时迅速繁衍 Their bizarrely shaped nose can detect fresh growth 它们的鼻子长相奇怪 却能够勘测到 from hundreds of miles away. 几百公里外的青草长势 The young twins will now begin the nomadic life 这两只小羊即将与...