BMW builds some 8,000 Z1s - each with a monocoque steel frame, synthetic external skin and electrically-controlled doors which sink down into the sides of the car.是什么意思_BMW builds some 8,000 Z1s - each with a monocoque steel frame, synthetic external skin and electrically-controlled doors which sink down into the sides of the car.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句