The DNA rearrangements are unique to cancer cells, making them a very specific marker.

DNA重组是癌细胞独一无二的特征，也是一个非常具体的指标。

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Gunners manager Wenger is frustrated by the situation and concedes there is little point in making a bid for Wright-Phillips until Chelsea have put down their marker.

强手的主教练温格对于目前的情况感到失望，并且承认除非切尔西退出竞争，不然对于赖特-菲力普斯的出价是没有什么实际意义的。

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His still camerawork is not as well known as his movies, but Marker has been taking photographs as long as he has been making films.

他的摄影作品不如他的电影出名，但马克拍摄照片的时间和拍电影一样长。

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But the home team took the lead in the tie when Carew, making his first appearance of the season, cut in from the right, wrong footed his marker with a crisp turn and drilled a low strike beyond Payer.

BBC: Aston Villa 2-1 R Vienna (2-2)