Examples

你知道黄河在山西的河段冬天什么时候结冰吗?

Do you know when the Shanxi section of the Yellow river begins to freeze? → 河段

路上结冰了，表示温度是零下。

The road is iced up, which indicates that the temperature is below zero. → 表示

结冰

ice up → 结

河水结冰了 → 冰

the lake is open

湖未结冰 → open

After the lake froze, we could skate on it.

湖面结冰后，我们就能在上面滑冰了。 → freeze

it may freeze tonight

今晚可能会结冰 → freeze