This town once experienced a golden age, achieving many advancements and accomplishments.

He failed the exam.

We will make the maximum effort for the success of this project.

Dioxin is a part of organic chemistry and is a very toxic compound.

This beautiful scenery is eternally unchanging.

My grandfather is from the generation of the burnt ruins, and I learned about the horrors of war from his stories.

It's time to change the baby's diaper.

His work skillfully incorporates elements of modern parody.

He is good at solving algebra problems.

He is my friend.