Read this passage from the article:
They're also master builders. The busy beasts chew through tree trunks using their long teeth. Then they construct ponds, lodges, and dams. These acts of environmental engineering are making a difference wherever beavers live.
Which words from the passage help you understand the meaning of the word construct?
are making a difference
wherever beavers live
they're also master builders
the busy beasts chew through