"In human terms, that's like balancing a Ford Focus on your head," Dr Snively told BBC News.

"用更形象的话讲,就是相当于用你的头顶着一辆福特汽车,"Snively博士对bbc新闻记者说道.

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The Toyota Corolla was the top seller, followed by the Honda Civic, Toyota Camry, Ford Focus and Hyundai Elantra.

丰田花冠为本次活动的销售冠军，紧随其后的是本田思域，丰田凯美瑞，福特福克斯，以及现代伊兰特。

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The only two vehicles made by American manufacturers on the list of top sellers were the Ford Focus and the Ford Escape.

畅销车款中少数由美国车厂所出产的两款，分别是福特的Focus和Escape。

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The technology is available: cars like the Ford Focus ECOnetic are already achieving the proposed 2020 standard.

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The 2008 Ford Focus will use high-strength aluminum to replace steel in front-brake calipers.

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The driver of a Ford Focus which was behind the Micra also suffered a head injury.

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