We want to nurture this mutual love carefully.

If you pay with a credit card, a transaction fee will be charged.

He is spending a lot of time on experimental research.

Quantum chromodynamics is a part of particle physics that describes strong interactions.

He proposed a new theory about quantum mechanics.

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

Both of my parents are doctors.

Ryou is my best friend.

I had lunch with my colleague.

My dormitory is close to the school.