标题：The Olympian Who Is 61 Years Old—and Destroying Athletes Half Her Age

正文：As she unzipped her jacket, adjusted her knee strap and began stretching for her first table-tennis match of this Olympics, an odd sensation came over the most unlikely player on the floor. Suddenly, Ni Xia Lian felt nervous. It was strange because Ni, a former world champion, had seen this all before: the bright lights of international competition, the Olympic rings painted on the net, the raucous crowd ready to erupt for her. But this time, she felt the full weight of a nation on her shoulders. She knew that she would need to summon all of her experience to settle into the match.

知识点：unzip v.

1. When you unzip something which is fastened by a zipper or when it unzips, you open it by pulling open the zipper. 拉开(拉

链); (拉链) 拉开

James unzipped his bag. 詹姆斯拉开他袋子的拉链。

2. To unzip a computer file means to open a file that has been compressed. 给(文档) 解压缩

Unzip the icons into a subdirectory. 把图标解压到一个子目录。

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