challenge round

Our country enters a life is good luck and challenge coexist, must know in the round.

我国入世是机遇与挑战并存, 必须全面熟悉.

The champion knocked out the challenge in the third round.

拳王在第3个回合时将挑战者击倒在地.

The 19 th round, the team went away Shandong challenge Shandong Luneng team.

第19轮比赛, 队客场奔赴山东挑战山东鲁能队.

After the high-pressure Countdown round at this year's national Math Counts competition, in which the top 12 students went head to head solving complex problems in rapid fire, the finalists for the Math Video Challenge took the stage to show their videos.

在今年的Math Counts全国赛激烈紧张的倒计时轮，前12名学生正面交锋，快速解决复杂的问题，之后数学视频挑战赛决赛选手上台展示自己的视频。