These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.
这些声音包括冰原破碎、水下地震和动物自己发出的声音。
2
Follow Dr. Kenny Broad as he dives into underwater caves that formed during the last ice age when sea level was nearly 400 feet below what it is today.
跟随他到，在末次冰期时，海平面形成近400英尺以下是今天的什么水下洞穴潜水肯尼博士宽。
3
Antarctic scientists have combined measurements provided by an underwater robot with existing satellite data to show that Antarctic sea ice may be thicker than previously thought.