He refused to clean up the vomit.

This mineral is very rare.

My favorite bowl dish is Oyakodon.

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

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

Acidic oxides react with water to produce acids.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

Peroxides play an important role in chemical reactions.

I will participate in an obstacle race this weekend.

In this situation, the proverb 'it is best to submit to circumstances' applies.