We conducted a spectral analysis to investigate the spectral characteristics of this substance.

It's difficult to understand the principles of electrooptics.

You should not be deceived by the deceptive advertising of this product.

The artificial satellite is orbiting around the earth.

The study of artificial life is a new frontier in science.

Higher fatty acids play an important role in our health.

This food is rich in higher fatty acids.

He was moved by the view from the top of the skyscraper.

My grandfather was a teacher at a national elementary school.

My friend goes to a Korean school.