慢速英语:Rare Pictures Capture Native Americans in Late 1800s

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1. disappear vi.不见，消失; 不复存在
例句：When I think of you the miles between us disappear.
千山万水,隔不断我对你的思念。

2. reduce vt.减少; 缩小
例句：Oil is put in machinery to reduce the friction.
把油涂到机器上减少摩擦。

3. register vt.登记，注册
例句：You'd better register this parcel.
你最好挂号邮寄这个包裹。

4. explain vt.讲解，解释
例句：He made up a story to explain why he was absent.
他编造了一个故事为他的缺席辩解。

5. interior adj.内部的; 内地的
例句：She specialized in interior design.
她专门从事室内设计。