正文

VOA慢速英语:New iPhones, Watches, TVs, Big iPads Offer Better Selfies

2015-09-11来源:VOA

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词汇讲解：

1. announce vt.宣布; 述说; 声称
例句：Please announce to the children that there will be no school this afternoon.
请通知孩子们今天下午不上课。

2. improve vt.提高（土地、地产）的价值; （机会）利用; 改善
例句：The city must improve its public transport.
该城必须改善其公共交通系统。

3. available adj.可获得的; 有空的; 可购得的
例句：They should have backup details available.
他们要补充自己所知道的细节。

4. command vt.命令; 指挥，控制
例句：I can not believe I command here.
我无法相信我在这里指挥。

5. upgrade vt.提升
例句：Because of mistake in the booking, he is upgrade to first class.
由于订票时出了差错，他被安排到头等舱就座。

6. introduce vt.介绍; 引进
例句：Let me introduce myself.
让我自我介绍一下。