Ryūka is a traditional form of poetry in Okinawa.

Ammonium sulphate is widely used as a fertilizer.

Tears flowed down her cheeks.

Tears flowed down her cheeks.

This compound is made through a sulphuration process.

The chemist conducted an experiment to sulphurate iron.

He is leading a life of wandering around a foreign country.

He is wandering around in a foreign country.

He understood the danger of a high explosive.

You might be able to see a meteor shower tonight.