This eigenfunction is one of the fundamental concepts of quantum mechanics.

He does nothing, just like a good-for-nothing big tree.

The Pisonia umbellifera is known for its beautiful flowers.

This flower is very beautiful.

She is beautiful like a flower.

This flower is as beautiful as a plum blossom.

I often use vegetable oil for cooking.

We are planning to go to the botanical garden this weekend.

He is majoring in botany at university.

He is majoring in botany at university.