The International Phonetic Alphabet is an essential tool for linguistic research.

He is interested in the study of international auxiliary languages.

I will take a plane from Narita International Airport.

The International System of Units is the standard measurement system used by scientists all over the world.

The International Atomic Energy Agency is an international organization that promotes the peaceful use of nuclear energy.

We should always remember the power of Kannon in difficult times.

He is the creator of this project.

In this village, outsiders are not very welcome.

He gave his life for his faith and became a martyr.

He is known as a pioneer in that field.