In North America, the meltwater formed an enormous glacial lake 在北美 融水形成一个巨大的冰川湖

137. and global temperatures began to rise.
     全球温度开始上升
138. What started as a series of meltwater streams
     最初的融水溪流
139. soon turned into a deluge.
     很快变成洪水
140. In North America, the meltwater formed an enormous glacial lake
     在北美 融水形成一个巨大的冰川湖
141. 600 meters deep and covering 10,000 square kilometers.
     深达600米 面♥积♥达一万平方公里
142. The only thing stopping the water from flooding the land to the west
     阻止水流向西淹没陆地的
143. was a towering wall of ice.
     只有一堵高耸的冰墙

来自《我们星球上的生命 第一季 第八集 Life on Our Planet S01E08 冰与火的世纪》第 140 行