The Neoproterozoic era was a very important period in the history of the Earth.

He sent a message to the ship using a signal flag.

He and I are in harmony of mind, always acting together.

His olfactory nerve is very sensitive.

Neuroscience is a field of study that researches the functions and structures of the brain.

Lansing is the capital of Michigan.

He was working as a member of the occupation forces.

They occupied the city.

I changed the ringtone of my mobile phone.

I have been to Sinuiju.