Heavy ice can form and break them.

沉重的冰形成和破碎。

youdao

Massive fjord horses drag heavy ice plows.

大量来自海湾的马拉着沉重的冰犁。

youdao

These sea gulls used to find food in the Bohai Bay sea area off Dalian city which was covered by heavy ice because of the cold weather.

这些海鸥过去是在大连市渤海湾海域觅食。因为最近低温天气，海面覆盖厚厚的冰层，所以它们才转移觅食地。

youdao

Heavy ice can form and break them.

VOA: special.2010.01.12

However, although the sea ice is shrinking -- covering less total area as well as becoming thinner -- the Arctic is still a world ruled by ice, a lesson well learned when the Polar Pioneer encountered heavy pack ice between Svalbard and the eastern coast of Greenland, forcing the captain to divert the boat and drop speed to just a few knots.

BBC: Life in the fragile, frozen Arctic

Earlier heavy snow and ice continues to be a problem on many of Somerset's roads.

BBC: Snow and ice disrupt M5 and many other Somerset roads

Heavy snow and ice brought down power lines in Kintyre on Friday, which blacked out a huge area, including Arran, over the weekend.

BBC: Scotland