Let's start the meeting according to Korea Standard Time.

I recommend getting vaccinated against hepatitis A.

It was confirmed that he was infected with hepatitis B.

His words carry importance.

The military officer attached to the embassy plays a crucial role in gathering military information of that country.

Ceremonial family occasions are traditional family events in Japan.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

This software has backward compatibility.

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

This eigenfunction is one of the fundamental concepts of quantum mechanics.