He was drinking cola with a straw.

The centromere is a part of the chromosome and plays an important role during cell division.

He is an expert in theoretical physics.

It is believed that the thylacine is extinct, but there are also people who believe in its existence.

Entropy is an important concept in physics and information theory.

Please turn right at the rotary.

He wrote the Japanese words in romaji.

Mr. Konomi is my best friend.

This main road is convenient for commuting.

He started writing his memoirs.