polar bear

The polar bear uses its thick white fur and layer of fat to stay warm in the freezing Arctic temperatures.

(Chinese) 北极熊利用其厚实的白色皮毛和脂肪层在寒冷的北极气温下保持体温。

Scientists are worried that the melting sea ice will make it harder for polar bears to hunt seals.

(Chinese) 科学家们担心海冰融化会使北极熊更难捕猎海豹。