慢速英语:GATEway Driverless Vehicle Now Being Tested in London

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短语讲解：

1.Harry is a vehicle called a pod – in other words, something like a car.

in other words 换句话说; 就是说
例句：The mobile library services have been reorganised — in other words, they visit fewer places.
流动图书馆服务重新作了安排——换句话说，他们去的地方减少了。

2.A safety operator rides along to take control in case of an emergency.

in case of 万一，如果; 防备
例句：In case of difficulty, just call on me.
如有困难，找我好了。

3.A safety operator rides along to take control in case of an emergency.

take control of 控制
例句：He failed in his attempt to take control of the company
他试图掌控公司，但以失败告终。