一名年轻运动员在训练时擦去额头上的汗水 A young athlete cleans the sweat off his forehead while training

在一次紧张的训练中，一位意志坚定的年轻运动员勤奋地用前臂伸到额头，擦去额头上闪闪发光的汗珠。

In the midst of an intense training session, a determined young athlete diligently reaches up to his forehead with his forearm, wiping away the glistening beads of sweat that have formed on his brow.