He refused to clean up the vomit.

This mineral is very rare.

My favorite bowl dish is Oyakodon.

It is reported that North Korea has conducted another underground nuclear test.

He is an expert in experimental psychology.

He is spending a lot of time on experimental research.

His art style is unique, it's neither fish nor fowl.

We should always remember the power of Kannon in difficult times.

He is known as an expert in subcritical nuclear experiments.

He always buys cheap things, so in the end, it becomes 'penny wise and pound foolish'.