GM has announced it will be killing the Pontiac G6 GXP sedan and coupe, the Chevrolet Impala SS, Cobalt SS sedan and the Cadillac STS-V, all by the end of the 2009 model year.是什么意思_GM has announced it will be killing the Pontiac G6 GXP sedan and coupe, the Chevrolet Impala SS, Cobalt SS sedan and the Cadillac STS-V, all by the end of the 2009 model year.在线翻译_英语_读音_用法_例句