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.

Compounds containing a benzyl group are often used in organic chemistry research.

This compound contains a sulfhydryl group.

Please check the information of the resident's basic kana.

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.