奥运赛场上的“种子选手”

　　奥运会等大型赛事中，我们总能听到有些选手被称为“种子选手”，而且前面还带编号的。至于为什么他们被选定为“种子选手”，这个选择标准是什么，可能很多人都不太了解。我们今天就一起来探讨一下吧。

　　Men's Singles First Round - Olympic Tennis Centre - Rio de Janeiro, Brazil - 07/08/2016. Novak Djokovic (SRB) of Serbia reacts after losing his match against Juan Martin Del Potro (ARG) of Argentina. [Photo/Agencies]

　　先看一则奥运报道：

　　Top seed Novak Djokovic was beaten in the first round of the Olympic men's singles by Juan Martin del Potro.

　　奥运会网球男子单打第一轮比赛中，头号种子德约科维奇负于（阿根廷选手）德尔·波特罗。

　　The world number one, 29, was in tears as he left the court after the match, which lasted two and a half hours.

　　现年29岁的“小德”世界排名第一，两人之间的角逐持续了两个半小时，离场时，小德哭了。

　　"This is one of the toughest losses in my career," said Djokovic, who was trying to win his first Olympic title.

　　他说：“这是我职业生涯中最惨痛的一次失利。”这是他第一次向奥运金牌发起冲击。