Evidence that an ice-free corridor between two ice sheets developed when the continental ice first began to melt came primarily from radiocarbon dating.
当大陆上的冰开始融化时，两块冰原之间形成了一条无冰走廊，这一证据主要来自放射性碳测年法。
2
First, I melt some butter, adding some flour to make what Olivier calls "roux".
首先，我化开黄油，再加进一些面粉来做所谓的乳酪面糊。
3
These particulates can melt ice in two ways. First, floating in the air, they absorb sunlight and heat the surrounding atmosphere.