Using a mnemonic, it became easier to remember new words.

We should take our hats off to his efforts.

In this chemical reaction, cyclooctadecane is the main product.

Octacosane is a compound often used in organic chemistry.

Octatriacontane is a type of hydrocarbon in organic chemistry.

贈 is the old font for 贈.

This offspring cannot yet be separated from its mother.

He seemed to be in trouble.

The density of this wood is very high.

There are no aspirated consonants in Japanese.