I am majoring in immunology at university.

The smoker was smoking a cigarette outside the restaurant.

He underwent a cerebrospinal fluid test.

For now, please give me a cup of coffee.

The cane toad is causing a big problem in Australia.

His defense is like an impregnable fortress.

I greeted the neighbor.

He was bestowed with a special award.

My friend, Sai, works on a farm.

His figure suddenly disappeared.