The onlookers raised their voices in surprise.

He is a serious and straight-laced person.

Peroxides play an important role in chemical reactions.

We will use cyanide in this chemical experiment.

Cyanide is a very dangerous chemical.

We offer prayers in the Buddhist shrine every day.

Speaking of autumnal traditions, it's leaf peeping.

This is the souvenir I brought back from my trip.

Today is the day of Buddha's death, so we will perform a special ceremony.

He decided to convert to Buddhism in search of inner peace.