dry [(1) not wet; (2) without rain] This raincoat will keep you dry. (1) The hot, dry weather is causing severe problems for farmers. (2)
during [(1) through the whole time; (2) while (something is happening)] She said she would be too busy during the day to see me. (1) I slept during his long speech. (2)
dust [pieces of matter so small that they can float in the air] After the explosion, the air in the building was filled with dust.
duty [(1) one's job or responsibility; (2) what one must do because it is right and just] The soldier was often on guard duty. (1) It is my duty to vote on election day. (2)
each [every one by itself] Each of us sang a different song in the show.
early [(1) at or near the beginning, especially the beginning of the day; (2) opposite late] They saw her walking early this morning. (1) A few arrived late, but most were early. (2)
earn [to be paid in return for work done] She earns 40,000 dollars a year.
earth [(1) the planet we all live on; (2) the ground or soil] Have you seen the picture of earth made from the moon's surface? (1) The sun warmed the black earth of the farmer's field. (2)
earthquake [a sudden, violent shaking of the earth's surface] The earthquake caused severe damage to bridges and buildings in Los Angeles.
ease [(1) to reduce; (2) to make less difficult] The rate of economic inflation eased last month. (1) The new equipment helped ease his job. (2)
east [the direction from which the sun rises] The sun rises in the east and goes down in the west.
easy [(1) not difficult; (2) not hard to do] His English is easy to understand. (1) She says that running five kilometers is easy for her. (2)
eat [to take food into the body through the mouth] Can you eat now, or do you want to eat later?
ecology [the scientific study of the environment and links among living and material things] She is an expert on the ecology of wetlands.
economy [the system by which money, industry and trade are organized] Many people hope the economy will continue to grow.