This mannequin is very realistic, it looks like a real person.

I use whitening toothpaste every day.

Methionine is one of the essential amino acids that cannot be synthesized in the human body.

I started packing for the trip.

That person is my friend.

The sending of the email has been completed.

I sent you an email.

His solemn attitude moved everyone.

I like to take a walk in the early morning.

The idea for his new project came from nature.