| after
| preposition
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| later than
| It is after 8 o’clock
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| afternoon
| noun
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| the period of time between noon and evening.
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| again
| adverb
| v0
| once more.
| The fans cheered when their team scored again.
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| age
| noun
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| how old someone or something is
| The number of rings in a tree’s trunk show its age
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| aggressive
| adjective
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| ready to attack
| Cats can be aggressive if they are frightened.
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| agony
| noun
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| extreme pain
| The runner was in agony when he broke his leg
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| agree
| verb
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| to think the same as someone else
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| agriculture
| noun
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| farming.
| One form of agriculture in Thailand is rice growing.
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| aground
| adverb
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| stranded on rocks or sand, or in shallow water
| The ship ran aground in the storm.
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| ahead
| adverb
| v0
| in front.
| He walked on ahead of the others.
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| aid
| noun
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| help.
| The helicopter came to the aid of the stranded walkers
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| aim
| verb
| v0
| to point an object at someone or something.
| Aiming at the target
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| air
| noun
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| the mixture of gases that plants and animals breathe.
| A layer of air surrounds Earth.
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| aircraft
| noun
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| any vehicle that can fly
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| aircraft-carrier
| noun
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| a ship for aircraft to take off from and land on.
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| airline
| noun
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| a company that owns and flies aircraft.
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| airmail
| noun
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| mail that is carried by airplane.
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| airport
| noun
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| a place where people go to travel by airplane.
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| ajar
| adjective
| v0
| slightly open
| The door is ajar.
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| alarm
| noun
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| a loud noise that warns you of something.
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| album
| noun
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| a blank book for displaying pictures and other items.
| A photograph album.
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| alcohol
| noun
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| a strong drink, such as wine or beer
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| alien
| noun
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| something that seems strange or foreign
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| alike
| adjective
| v0
| very similar.
| These brothers look alike.
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| alive
| adjective
| v0
| living.
| Flowers need water to stay alive
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| allergy
| noun
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| an unpleasant reaction to something that doesn’t affect most people.
| He has an allergy to cats. allergic adjective
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| alligator
| noun
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| a large reptile that lives in swamps and rivers.
| Alligators eat fish and other animals that come close to the water’s edge.
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| allow
| verb
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| to let someone do something.
| Her parents allowed her to stay up and watch the program.
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| almost
| adverb
| v0
| nearly
| The bottle is almost empty.
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| alone
| adjective
| v0
| by yourself, without anyone else.
| He was alone on the island.
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