He used the train delay as an excuse for being late.

I will participate in the factory coop next week.

We will start the construction work on that building from tomorrow.

His actions were criticized as disrupting public order.

The princess was wearing a beautiful dress.

We have deepened our friendship over many years.

In biology, homeostasis refers to the ability of an organism to maintain a constant state.

We are always aiming to improve our services.

I noticed that my thyroid has gotten a little bigger.

This constancy is very important for living organisms to survive.