n.滑行装置；页边行数；跑步者，赛跑选手
名词runner的复数形式.
One of the runners got boxed in on the final bend. 一个赛跑者在转最后一弯时被人挡住了。
The two runners contested the race closely it was nip and tuck all the way. 那两个赛跑选手竞争激烈－－在赛程中一直不相上下。
The runners set off at a blistering pace. 赛跑者以极高的速度起跑。
The runners got into position on the starting line. 赛跑运动员已进入起跑线上的位置。
Even though he tried, he still lagged behind other runners. 尽管他努力了，仍落在其他赛跑者之后。
The runners were called back because one of them beat the pistol. 赛跑运动员们被叫回来，因为他们中有一人抢跑了。
There are eight runners in the final race. 最后的赛程中有八匹马参加。
He beat the other runners by a margin of ten seconds. 他比其他运动员早10秒钟到达终点。
