美国人常用的1500个单词 （@考研资料共享 搜集整理，更多学习资料
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<A>
a or an
[(1) one; (2) any; (3) each]
Would you give me a sheet of paper? (1)
A triangle has three sides. (2)
He comes to see his grandmother once a week. (3)
able
[having the power to do something]
Are you able to speak English?
about
[(1) almost; (2) of or having a relation to] He completed about half of his work. (1) We talk about the weather. (2)
above
[at a higher place]
His head was above the water.