There are many different types of pores on the skin, but the ones that are most important are the sebaceous (oil) pores. These pores are responsible for the release of oil and sweat from the skin.
To ravel is to unravel or to pull apart piece by piece. When you ravel a rug, you are pulling the fibers out of the rug.
When roads are made, they are often filled with holes that are called potholes. Potholes can be very dangerous because they can cause cars to swerve.
Weathering is the process of wearing away something over time. Rocks, wood, and other materials can weather over time, losing their original shape and color.
Bitumen is a type of oil that is extracted from the tar sands. Tar sands are a type of oil deposit that is made up of sand and bitumen.
To shrink is to become smaller. When you shrink something, you make it smaller by removing part of it.
The term "onstage" usually refers to the fact that a performer or performer group is performing in front of an audience. When a performer is "onstage," they are in the center of the action.
To be healed is to be healed from a disease or injury. When someone is healed, they no longer have symptoms of the disease or injury.