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There were no petrol pumps and few garages, so every driver had to be his own engineer for the frequent breakdowns.
出自-2016年6月听力原文
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It was actually a tricycle with a petrol motor at the rear.
出自-2016年6月听力原文
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Now, however, recent developments in electric vehicle technology mean they can match conventional petrol engines in terms of performance and safety.
出自-2013年6月听力原文