He is dedicating his life to the elucidation of science.

I went to a beautiful church with a ceiling that arches high like a vault.

This is my old friend, Tanaka.

It's difficult to handle this machine.

My zodiac sign is Cancer.

He is suffering from acute leukemia.

He contracted severe invasive streptococcal disease and underwent emergency surgery.

The National Research and Development Agency plays a crucial role in advancing science and technology.

We traveled to the southern island for summer vacation.