He is an expert in nuclear physics.

He said 'friend' as a noun ending for me.

I wish for everyone to be happy.

There is no choice but to move forward.

His body was surprisingly flexible.

I am very interested in natural science.

Let's participate in the election by using early voting.

It's difficult to understand the context of this sentence.

He was diagnosed with congestive heart failure.

Because he has immunodeficiency, he always pays attention to his health management.