VOA慢速英语:Call a Taxi by Touching the Screen of Your Smartphone

词汇讲解：

1. application n.适用，应用
例句：It was his first application for a job.
这也是他申请的第一份工作。

2. explain vt. 讲解，解释
例句：How to explain the rumors?
如何解释这个传言呢？

3. launch vt.发射
例句：No subsequent launch date was given.
会上没有提到下次发射的日期。

4. significant adj.重要的；有意义的
例句：This model has significant policy implications.
该模型具有重要的政策含意。

5. electricity n.电力；电流
例句：Their main complaint is the unreliable electricity supply.
他们唯一的抱怨是短缺的电力供应。

6. register vt.登记，注册
例句：Town halls are obliged to register even illegal immigrants.
市政厅有义务登记即使不合法的移民。