| blink |
to close and open the eyes very quickly. |
| boom1 |
a deep, hollow sound, as from an explosion. |
| born |
a past participle of bear1. |
| course |
the direction or way along which something moves. |
| crystal |
a solid substance that has a repeating pattern of flat surfaces. |
| family |
a group made up of a parent or parents and their children. |
| foolish |
having poor sense; silly. |
| rich |
having a great amount of money or valuable possessions. |
| shallow |
not deep. |
| storm |
a violent event in weather. In a storm, there may be a lot of rain, snow, or wind. |
| swap |
to exchange or trade. |
| teach |
to show (someone) how to do something or to help (someone) learn something. |
| welcome |
used to express warm greetings to someone who has just arrived. |
| wilderness |
a region in its natural state where there are things like trees and wild animals, but no people living there. |
| world |
the earth and everyone in it. |