and, despite the harsh conditions, life flourishes here in isolation. 尽管生存条件恶劣 生命仍在这个与世隔绝的地方得到了兴盛 80 percent of its species are found nowhere else on Earth, 湖里80%的物种 在地球上其它地方都不存在 including the world's only fresh water seal. 包括世界上唯一的淡水海豹...
Malawi may look like an inland sea, 马拉维湖看起来像大海一样辽阔 but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊 Baikal in Eastern Siberia. 东西伯利亚的贝加尔湖 400 miles long and over a mile deep, Baikal contains one fifth of all the fresh w...
but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊 Baikal in Eastern Siberia. 东西伯利亚的贝加尔湖 400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers. 贝加...
Baikal in Eastern Siberia. 东西伯利亚的贝加尔湖 400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers. 贝加尔湖长400英里 深度超过1英里 其中淡水储量占到了全球江河湖泊淡水总量的1/5 For five months of the year i...
400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers. 贝加尔湖长400英里 深度超过1英里 其中淡水储量占到了全球江河湖泊淡水总量的1/5 For five months of the year it's sealed by an ice sheet over a ...
are mating flies. 其实是正在交配的幽蚊 Once the flies have mated, 幽蚊完成交配之后 they will all drop to the water surface, 便会一起落到水面 release their eggs and die. 产下卵 然后死去 Malawi may look like an inland sea, 马拉维湖看起来像大海一样辽阔 but it's dwarfed by the world'...
Once the flies have mated, 幽蚊完成交配之后 they will all drop to the water surface, 便会一起落到水面 release their eggs and die. 产下卵 然后死去 Malawi may look like an inland sea, 马拉维湖看起来像大海一样辽阔 but it's dwarfed by the world's largest lake - 但它远比不上世界上最大...
they will all drop to the water surface, 便会一起落到水面 release their eggs and die. 产下卵 然后死去 Malawi may look like an inland sea, 马拉维湖看起来像大海一样辽阔 but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊 Baikal in Eastern Siberia. 东西伯利亚...
release their eggs and die. 产下卵 然后死去 Malawi may look like an inland sea, 马拉维湖看起来像大海一样辽阔 but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊 Baikal in Eastern Siberia. 东西伯利亚的贝加尔湖 400 miles long and over a mile deep, Baikal ...
Soon, millions upon millions of newly hatched lake flies are taking to the wing. 不久 成百上千万只新羽化的幽蚊 全都扇动着翅膀飞到空中 Early explorers told tales of lakes that smoked, as if on fire. 早期探险家看到这种湖面上“冒烟”的情景 还以为是湖底着了火 But these spiralling columns hundreds...