My father works at a large company.

He is majoring in genetics at university.

The development of industry greatly contributes to the economic growth of a country.

I missed the last train.

He caught a big snakehead in the river.

I learned about electric flux in physics class.

I take fish oil every day.

Where can I buy the electronic version of this book?

Understanding the principles of electromagnetism is difficult.

His work attracted people's rapt attention.