A runner can lose a lot of advantage by even glancing back to see how far behind the others are.
A runner can lose a lot of advantage by even glancing back to see how far behind the others are.
一个赛跑运动员甚至回头看一眼后面的运动员还有多远，就可能失去很多优势。
A runner can lose a lot of advantage by even glancing back to see how far behind the others are.
一个赛跑运动员甚至回头看一眼后面的运动员还有多远，就可能失去很多优势。