He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

He couldn't escape from the pursuer.

He is an expert in petrochemistry.

Sexual abuse is an act that is absolutely not allowed.

Tridymite is a mineral that is formed at high temperatures.

The World Bank is an international institution that supports economic development around the world.

I believe that virtue is the highest virtue of mankind.

He proclaimed peace loudly.

This river is very shallow.