By looking at the layers of snow in their test hole, an experienced extreme skier can tell if there's likely to be an avalanche.

有经验的极速滑雪者看看测试洞里头一层层的积雪就知道会不会有雪崩。

youdao

By looking at the layers of snow in their test hole, an experienced extreme skier can tell if there's likely to be an avalanche.

有经验的极速滑雪者看看测试洞里头一层层的积雪就知道会不会有雪崩。

youdao