On summer nights, cold sangria is the best.

She went to the beach wearing her new sundress.

In this chemical experiment, we will use acetic acid.

Alginic acid is a natural polysaccharide extracted from seaweed.

He was deeply immersed in the study of the Tripitaka.

He is interested in ancient mathematics.

He made a model of a triangular pyramid.

He crossed the river in a sampan.

Learning about the history of Samhan is very important for understanding ancient East Asian culture.

Oleic acid is abundant in olive oil.