| assistant |
a person who gives help or aid. |
| beware |
to be careful or wary (often used imperatively). |
| chain |
a row of links, usually made of metal, that are joined together and used to pull, hold, or fasten something. |
| diversity |
the state or condition of being varied or consisting of various kinds. |
| homesick |
longing for one's home. |
| horizon |
the line where the earth and the sky appear to meet. |
| laboratory |
a place used for scientific investigation and experiments. |
| major |
great in importance, position, or reputation. |
| modesty |
the quality of not being conceited or vain. |
| nomination |
the act of choosing a person to run for office. |
| pollution |
poisons, wastes, or other materials that pollute. |
| self-esteem |
confidence or pride in oneself; self-respect. |
| social |
living in groups or communities instead of alone. |
| tramp |
to walk with heavy steps. |
| vehicle |
something used to carry and move people or things. |