But not all. 但并非全部如此 One evolved a revolutionary adaptation 有一种两栖动物 进化出了一种革命性的适应性 that enabled it to thrive. 使其繁荣发展 Its egg developed a protective shell 它的卵进化出了一层保护性外壳 that held the embryo in its own private pool of fluid. 将胚胎保护在“私家泳池”之中 In...
One evolved a revolutionary adaptation 有一种两栖动物 进化出了一种革命性的适应性 that enabled it to thrive. 使其繁荣发展 Its egg developed a protective shell 它的卵进化出了一层保护性外壳 that held the embryo in its own private pool of fluid. 将胚胎保护在“私家泳池”之中 Inside, the young could...
the vast swamps began to disappear. 广阔的沼泽开始消失 Lacking water, most amphibians struggled. 由于缺水 多数两栖动物苦苦挣扎 But not all. 但并非全部如此 One evolved a revolutionary adaptation 有一种两栖动物 进化出了一种革命性的适应性 that enabled it to thrive. 使其繁荣发展 Its egg developed a ...
As the land dried, 随着陆地变干 the vast swamps began to disappear. 广阔的沼泽开始消失 Lacking water, most amphibians struggled. 由于缺水 多数两栖动物苦苦挣扎 But not all. 但并非全部如此 One evolved a revolutionary adaptation 有一种两栖动物 进化出了一种革命性的适应性 that enabled it to thrive. 使...
and the supercontinent of Pangaea was born. 超级大♥陆♥“盘♥古♥大♥陆♥”诞生 As the land dried, 随着陆地变干 the vast swamps began to disappear. 广阔的沼泽开始消失 Lacking water, most amphibians struggled. 由于缺水 多数两栖动物苦苦挣扎 But not all. 但并非全部如此 One evolved a revolutionar...
radically changed. 这种联♥系♥将使它们毁灭 During the period known as the Carboniferous, 在石炭纪 Earth's great land masses merged, 地球各大♥陆♥合为一体 and the supercontinent of Pangaea was born. 超级大♥陆♥“盘♥古♥大♥陆♥”诞生 As the land dried, 随着陆地变干 the vast swamps be...
Earth's great land masses merged, 地球各大♥陆♥合为一体 and the supercontinent of Pangaea was born. 超级大♥陆♥“盘♥古♥大♥陆♥”诞生 As the land dried, 随着陆地变干 the vast swamps began to disappear. 广阔的沼泽开始消失 Lacking water, most amphibians struggled. 由于缺水 多数两栖动物苦苦...
During the period known as the Carboniferous, 在石炭纪 Earth's great land masses merged, 地球各大♥陆♥合为一体 and the supercontinent of Pangaea was born. 超级大♥陆♥“盘♥古♥大♥陆♥”诞生 As the land dried, 随着陆地变干 the vast swamps began to disappear. 广阔的沼泽开始消失 Lack...
a tie that would be their undoing when conditions on Earth... 当地球上的环境剧变时 radically changed. 这种联♥系♥将使它们毁灭 During the period known as the Carboniferous, 在石炭纪 Earth's great land masses merged, 地球各大♥陆♥合为一体 and the supercontinent of Pangaea ...
they never escaped their tie to water... 它们永远无法摆脱与水的联♥系♥ a tie that would be their undoing when conditions on Earth... 当地球上的环境剧变时 radically changed. 这种联♥系♥将使它们毁灭 During the period known as the Carboniferous, 在石炭纪 Earth's great land mass...