He started to act immediately.

He underwent an examination of the hard palate.

This machine requires mineral oil.

He started to get excited when the concert began.

Crustaceans are a type of marine life, including crabs and shrimps.

The scent of this fragrant herb is very relaxing.

The effect of this medicine appears immediately.

Her iris is a beautiful blue.

I will make a presentation at the Diet tomorrow.

We have started a campaign to advertise our new product.