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

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

My pet is an axolotl.

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

He makes coffee every morning to please his boss.

He always likes to find fault with others.

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.