正文

VOA慢速英语:到2060年美国四分之一的人口将超过65岁

2020-03-02来源:和谐英语

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Words in This Story

obesity – n. being overweight or fat

opioid – n. a drug (such as morphine or codeine) that is made from (or related to) opium and that is used to reduce pain or cause sleep

role – n. an activity or part performed as part of an operation or process

determine – v. to be the cause of or reason for (something)

diversity – n. the condition of being made up of different parts or groups

projection – n. an estimate of what might happen in the future based on what is happening now