Britain's Gary Paffett gave the sleek-looking new McLaren its test debut, before world champion Jenson Button and Lewis Hamilton get their hands on it later in the week.

英国人帕菲特将为新的麦克拉伦赛车做第一次测试，世界冠军巴顿和汉密尔顿在本周晚些时刻将开上赛车。

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McLaren test driver Gary Paffett was fifth fastest, but his team's official race entries for this year -- world champion Jenson Button and his predecessor Lewis Hamilton -- sat out the session.

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