Pis forPercussion
Something that is free of flaws and imperfections and cannot be made better in any way is perfect.
Video: view
Perfume is a liquid that has a nice smell. It is made from essential oils, usually found in flowers and scented plants. Perfume is usually sprayed on your skin to make you smell better.
Pis forPeriwinkle
Scientific name: littorina littorea
Something is permanent if it will last forever, or for a very, very long time. The hand prints made in the concrete in the picture will be there permanently.
The opposite of permanent is temporary.