Please sit in this seat.

Please wait until your turn.

The teacher gave me a book.

The teacher gave me some advice.

Creating a new recipe is a process of trial and error.

He is an expert in embryology, studying the developmental processes of many kinds of organisms.

The process of embryogenesis is very complex, with continuous cell division and differentiation.

He is writing a thesis on abiogenesis.

I am majoring in developmental biology at university.

Everyone, please have a good new year.