慢速英语:美国大学想招收更多的农村学生

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portion - n. a part of a larger amount, area, etc.

access - n. a way of getting near, at, or to something or someone

delivery - n. the act of taking something to a person or place

recruit - n. to find suitable people and get them to join a company, an organization, the armed forces, etc.

trend - n. a way of behaving, proceeding, etc., that is developing and becoming more common