在全球暖化岌岌可危的威胁下，格陵兰两条主要冰河最近开始加速流动和融化，可能导致海平面上升以致数百万人溺毙的浩劫。
Two major glaciers in Greenland have recently begun to flow and break up more quickly under the onslaught of global warming , raising the spectre of millions drowning from rising sea levels .
冰河流动