youdao

The withdrawn and tense sky seems 39 groined like the aisles of a cathedral, and the polished air sparkles as if there were crystals of ice floating in it.

天似乎是绷紧了的，往后收缩，人从下上望，很像处身大教堂中，顶上是一块连一块弧状的屋顶；空气中闪光点点，好像有冰晶浮游其间。

youdao

Recent summers have seen on average less ice floating in the Arctic Ocean.

近年夏天通常见到更少的冰漂浮在北冰洋上。

youdao

Ice shelves are floating ice sheets attached to the coast.

CNN: Massive ice shelf on verge of breakup

The Norwegians send teams out on to the floating ice to drill holes into it and extract cores to determine the ice's origin.

BBC: Arctic ice melting at 'amazing' speed, scientists find

They spend most of their time on sea ice, this cap of ice that is floating around on the surface of the Arctic Ocean.

CNN: Polar bear now listed as 'threatened' species