Perrault was in a hurry, and he prided himself on his knowledge of ice, which knowledge was indispensable, for the fall ice was very thin, and where there was swift water, there was no ice at all.

Perrault很匆忙，同时为自己对冰雪的了解感到自豪，这些了解是不可或缺的，掉落的冰块都非常薄，而有水流的地方，根本就不存在冰面。

youdao

I actually skated, and despite some teetering I did not fall on the ice.

我的确滑冰了。尽管有些摇摇晃晃，我还是没有摔倒在冰上。

《柯林斯英汉双解大词典》

When these ice pellets fall, some of them strike much smaller ice crystals in the center of the cloud.

当这些冰粒下落时，其中一些会撞到云团中心的更小的冰晶。

youdao

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

And it's dangerous. People slip and fall on the snow because it's made of ice.

这样也很危险，人们会在雪上滑倒，因为雪里面都是冰。

I'm glad 实战 - SpeakingMax英语口语达人

When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

The 39-year-old's family said he tried to stop his fall using an ice axe.

BBC: Shaun Bowden

The weather turned out to be horrible and the route menaced by rock and ice fall.

WSJ: Banff Mountain Festival | A Nature for the Great Outdoors | By Michael J. Ybarra

The moveable dams are raised in the fall to allow ice and debris to pass during winter and early spring.

WSJ: Homeowners sue NY over $4.6M in flood damage