This butterfly valve is used to control the flow of fluid.

Let's solve this problem with unity in diversity.

In our body's cells, there are two types of chromosomes: autosomes and sex chromosomes.

This book explains in detail about various sexual positions.

Sex chromosomes play an important role in determining the sex of an organism.

He was struggling to understand the concept of a hypercube.

He is good at reading Simplified Chinese.

This medicine contains saccharides.

The pineal gland, or 松果體, is a part of the brain that secretes hormones.

This new semiconductor has the potential to revolutionize the electronics industry.