I picked up the leaves that were falling in the park.

The characteristic of this building is its unique design.

Conifers have the characteristic of not shedding their leaves even in winter.

He dropped the key.

He dropped his wallet.

I like to ski in winter.

Winter is my favorite season.

Please bring out the winter clothes.

Winter is the season when you can enjoy skiing.

The leaves of that tree were dyed red.