Cold fusion is a part of physics and is a phenomenon that is not yet fully understood.

Research on cold fusion is still controversial.

His mansion is truly magnificent.

He said 'thank you'.

He is studying late into the night to learn a new computer language.

He was diagnosed with schizophrenia.

Fundamental interaction is one of the most important forces in physics.

He remained silent and didn't say anything.

His writing skillfully uses zeugma to surprise the reader.

As his name suggests, Gou is a very sturdy person.