He published his own collection of poems.

The battery has run out, so I have to go buy a new one.

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

His words carry importance.

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

The Burgundian Netherlands was a historically important region.

An intercontinental ballistic missile is a weapon with a very large destructive power.

Functional analysis is a branch of mathematics that studies the properties of functions in infinite-dimensional spaces.

Simple Mail Transfer Protocol is a protocol for sending and receiving emails on the Internet.

Himemiko is my best friend.