Tsonga came close to breaking Nadal at 4-4 in the second set. But one forehand and one backhand error, from 15/30, when in total control of the point, cost Tsonga the opportunity.
特松加在第二盘战至4平时很有机会破掉纳达尔的发球局，但是在30比15领先时连续正手和反手的失误，葬送了绝好的破发机会。
It reached Roddick at 126 mph instead of his average of around 136 and the forehand service return went into the net.
正常情况下，他的球速大约在136mph左右，而这次，球速只有126 mph，致使正手的回球下网。
Research indicates the key skill for guaranteeing the successful rate and stability of forehand attack is to return a ball at it initial rising period or initial down period.
经研究发现，在来球上升初期和下降初期击球是保证攻球稳定性和成功率的关键技术。
Research indicates the key skill for guaranteeing the successful rate and stability of forehand attack is to return a ball at it initial rising period or initial down period.
经研究发现，在来球上升初期和下降初期击球是保证攻球稳定性和成功率的关键技术。
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