The rain began to drizzle.

Please attach this file to the email.

He is deeply studying the teachings of Prajnaparamita.

He started a new business, but as the proverb 'the road to happiness is strewn with setbacks' suggests, he is facing many difficulties.

My grandfather has traveled the world when he was young.

Hydrogen is the most abundant element in the universe.

He is learning the basics of mathematics.

I am planning to travel to Kiso next week.

Fluorine is an important element for dental health.