If this warming up took place, the icecaps in the poles would begin to melt, thus raising sea level several metres and severely flooding coastal cities.
如果这种变暖发生，两极的冰帽将开始融化，从而使海平面上升数米，并严重淹没沿海城市。
3
Eventually, Agassiz and others convinced geologists and the general public that a great continental glaciation had extended the polar icecaps far into regions that now enjoy temperate climates.