As the time limit approached, I began to panic.

He was playing the guitar at the street corner.

Natural language understanding is an important field of artificial intelligence.

He likes to take a walk in the park at dusk.

Let's get to work immediately.

We were given a tour of the factory by the person in charge.

We plan to hold the meeting in Western European Time.

We will start the meeting at 3 p.m. Central European Time.

I will start the meeting at 9 a.m. Eastern European Time.

This system enables real-time operation.