On the morning of the first day of the new year, I go to the first shrine visit with my family.

In chemistry class, I learned about alkanes.

Alkynes play a very important role in organic chemistry.

Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.

Alkenes play a very important role in organic chemistry.

Tokyo is the capital of Japan.

My elder brother is a doctor.

Your existence is a great blessing to me.

Mobile phones have become indispensable in our lives.

My new car is a light vehicle.