The pollen of common ragweed can cause allergies.

This national policy aims to stabilize the economy.

He made a plan to build a new house with his lawful wife.

There are many Trifolia repens blooming in my garden.

I found a clover in the park.

The surface of the pond was covered with duckweed.

Masasaku is my best friend.

This data center can process information in exabytes.

Wind grass is a plant that can be seen all over Japan.

He enjoys various sports.