VOA慢速英语:Classrooms in Boston to Get Different Kind of World Map

词汇讲解：

1.replace vt.代替; 替换
例句：The council tax replaces the poll tax next April.
市政税在明年4月将取代人头税。

2.accurate adj.精确的，准确的; 正确无误的
例句：Police have stressed that this is the most accurate description of the killer to date
警方强调这是迄今对凶手最精确的描述。

3.suppose vt.认为; 假定; 猜想，推测
例句：Suppose someone gave you an egg and asked you to describe exactly what was inside
假设有人给了你一枚鸡蛋并要你准确描述鸡蛋里面有什么。

4.powerful adj.强大的; 权力大的; （药） 有效地
例句：You're a powerful man — people will listen to you.
你是有影响力的人，大家会听你的。