Now, the semifinal of the track and field event is underway.

现在，田径项目的半决赛正在进行。

I'm interested in track event, field event, ball games and swimming.

我对径赛项目，田赛项目，球类比赛以及游泳感兴趣。

Palmer won the PGA Tour season's first full-field event, the third victory of his career.

帕尔默第一次赢得PGA巡回赛中在美洲以外的赛事冠军，这也是他职业生涯的第三个胜利。

Hammer throw: the field event in which athletes attempt to throw the hammer as far as possible.

链球投掷：田赛项目，运动员尽力将链球掷到最远。

Therefore, research on the arena of the China's large-scale track and field event is an extremely necessary work to do.

为此，对我国大型田径赛事赛场风险进行相关的研究是一项极其必要的工作。