He made a firm promise to meet me tomorrow.

This certificate of value proves the value of the product.

His hippocampus is maintaining a healthy condition.

This triangle has equal angles.

I received an email notification of the confirmation.

In psychology class, I learned the concept of synesthesia.

Beautiful hollyhocks are blooming in this garden.

This product is being sold at a premium price.

My grandmother knows how to make kkakdugi.