He is collecting the old Spanish currency, the piastre.

My pet is an axolotl.

He was able to carry through his work even in difficult situations.

Tritium is a radioactive isotope, mainly produced in nuclear fusion reactions.

When thinking about urban planning from the perspective of polycentrism, diversity and sustainability become important.

I live in Portland.

He is conducting a new experiment in the laboratory.

My friend lives in South Australia.

He is known as a maestro of the orchestra.

In this restaurant, you can have as much dessert as you like.