New Words：

increase [ɪnˈkriːs]
n.增加；增长；增多
v.增加；增多

Sample Sentences：

Are there any ways to increase your income?
They have increased the price of petrol again.
The population has increased from 1.2 million to 1.8 million.

petrol [ˈpetrəl] n. 汽油
population [ˌpɒpjuˈleɪʃn] n. 人口，人口数量

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