He needs a high placing in today's qualifier to reach the final.

在今天的资格赛中，他必须排名靠前才能进入决赛。

《牛津词典》

After the prayer, Mr. Obama walked a final few paces to the Wall and followed the custom of placing a personal prayer between the stone cracks, with his note left alongside hundreds of others.

祈祷过后，奥巴马按照当地风俗在墙缝中塞进写有个人愿望的纸条，连同他的纸条在内，墙缝中塞满同样写满愿望的纸条。

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Chen Xinyi, 18, in the 100-meter butterfly event, placing fourth in the final held on Monday, to the Rio Olympics official web site.

陈欣怡年仅18岁，杀祝愿了100米蝶泳祝愿，并在星期一举行的决赛中名列第四，据奥林匹克官网报道。

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The 23-year-old had led Kamila Chudzik by 171 points going into the seventh and final discipline after placing ninth in the javelin, with the Pole finishing second overall ahead of Germany's Jennifer Oeser, who kept Olympic champion Natallia Dobrynska of Ukraine out of the medals.

CNN: Bolt smashes own record to win world 100m title

Then came the 200, where she gritted her way through two preliminary heats before placing third in the final.

WSJ: Allyson Felix's Olympic Hedge

Daley, whose strongest event is the 10m platform dive, finished outside the medals on his Olympic debut in Beijing last year, placing seventh in the individual final.

BBC: 'Genius' Daley tipped to dominate