In organic chemistry, we use the Haworth projection to represent the three-dimensional structure of sugars.

In the organic chemistry class, there was an explanation of the Natta projection.

This book is printed in American points.

The single transferable vote is an important means to ensure the fairness of elections.

The Kunrei-shiki Romanization spelling method is a common way to convert Japanese into Roman letters.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.