aid
[(1) to help; (2) to support; (3) help, assistance]
He offered to aid the victims of the fire. (1)
Did you give money to aid the Democratic or the Republican candidate? (2)
Congress voted to provide aid to the flood victims. (3)
aim
[(1) to point a gun at; (2) a goal or purpose]
You cannot hit the target if you do not aim the gun. (1)
The aim of the reformers is to improve government. (2)
air
[the mixture of gases around the earth, mostly nitrogen and oxygen, that we breathe]
The air is clean in the mountains.
air force
[a military organization using airplanes]
The air force wants more airplanes and missiles.
airplane
[a vehicle with wings that flies]
I flew home on an airplane.
airport
[a place where airplanes take off and land]
The airplane landed at the airport in Washington.
album
[a collection of recorded music]
He recorded the song from an old record album.
alcohol
[a strong, colorless liquid, usually made from grain, used as a drug or in industrial products]
The man fell because he drank too much alcohol.
alive
[(1) having life; (2) not dead]
The flowers become alive in the spring. (1)
The accident victim was seriously injured but is still alive. (2)
all
[(1) everything; (2) everyone; (3) the complete amount]
She ate all that she wanted. (1)
All were invited to speak on the proposal. (2)
She spent all her money for a new car. (3)
ally
[a nation or person joined with another for a special purpose]
Britain is a military ally of the United States.
almost
[a little less than completely]
My dog is almost five years old.
alone
[separated from others]
Some people enjoy eating alone.
along
[near or on]
We walked along the road.
already
[(1) before now; (2) even now]
She was already there when we arrived. (1)
It is already too late to take the train. (2)
also
[(1) added to; (2) too]
Please bring me the fish dinner and coffee, and also some water. (1)
She said she also wanted to go home. (2)
although
[even if it is true that]
Although he was tired, he kept walking.
always
[(1) at all times; (2) every time]
This street is always busy. (1)
We always study together. (2)
ambassador
[a nation's highest diplomatic representative (to another government)]
Foreign ambassadors live in the capital city.
amend
[to add to or to change (a proposal or law)]
The committee refused to amend its proposal.
ammunition
[the bullets or shells fired from guns]
They could not fight without ammunition.
among
[in or part of (a group)]
She was among the students who left the school.
From:https://www.zgghmh.com/CET-4/20002899.asp