I am a member of that research association.

My laboratory is on the third floor of the university.

He is a world-renowned researcher.

He is known as an excellent researcher.

He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.

Using the private railway makes commuting very convenient.

We respect Japanese culture.

We are going on a trip tomorrow.

He holds a personal grudge against me.