| achieve |
to do or carry out successfully; accomplish. |
| background |
all of a person's experience, education, and origins. |
| certain |
sure; positive; having no doubt. |
| concentrate |
to bring together; focus. |
| darken |
to make more shadowy or less light. |
| dike |
a dam or high wall built to prevent flooding. |
| emphasis |
special importance. |
| hemisphere |
either of two halves of the earth. A hemisphere is formed by dividing the earth into the Northern and Southern Hemispheres at the equator, or into the Eastern and Western Hemispheres at a meridian. |
| portion |
a part of a whole. |
| scowl |
to make an angry frown. |
| simmer |
to cook in a liquid that is kept near the boiling point. |
| sob |
to cry with great emotion while making short gasps for breath. |
| swear |
to make a solemn promise or statement, usually concerning the telling of the truth, one's loyalty, or one's duty. |
| typically |
usually; normally. |