Nánjí de bīngcéng zhèngzài yǐ jīngrén de sùdù rónghuà.
The ice sheet in Antarctica is melting at an alarming rate.
Tips
usage
冰层 emphasizes the layered, stratified nature of ice — it often refers to a sheet or cap of ice on a surface. For the act of icing over, use 结冰. For an iceberg, use 冰山.