We must strive to protect the natural environment.

In Japan, compulsory education lasts for 9 years, from age 6 to 15.

He was observing birds using his new binoculars.

Phonons are an important concept in solid state physics.

The stress accent in Japanese is different from English.

We should recycle to prevent environmental pollution.

We must respect the freedom of religion.

There is an opinion that cramming education robs students of their creativity.

He avoids bright places because he has photophobia.

My hometown is a region with many mountains.