He was standing behind me.

Let's meet later.

Understanding the transition state of a chemical reaction is important for predicting the progress of the reaction.

This program is designed to avoid a race condition.

The negotiations have fallen into a deadlock.

He ended up in a vegetative state after the accident.

The road caved in due to the earthquake.

He fell into deep thought.

He passed the graduation examination.

We will conduct a practical test of the new product next week.