A person who runs, especially an athlete.

• Someone moving fast on foot.

跑者；跑步的人，尤指运动员。

• 以脚快速移动的人。

An entrant in a race or competition.

• A horse entered for a race.

比赛中的参赛者。

• 报名参赛的赛马。

A person sent on errands or to carry messages.

• A courier or go-between.

负责跑腿或传递消息的人。

• 信使；中间联络人。

A guiding or sliding part on which something moves.

• The runner of a sled or the blade of an ice skate.
• A strip or rail that lets a drawer slide.

使物体运动的导向或滑动部件。

• 雪橇的滑板或冰鞋的刀刃。
• 让抽屉滑动的滑轨或滑条。

A long, narrow carpet for a hall or stairs.

• A strip of fabric used on a table as decoration or protection.

走廊或楼梯用的长条地毯。

• 用于装饰或保护桌面的桌旗。

A long stolon sent out by a plant to root new plants.

植物发出的长匍匐茎，用于生根繁殖新株。

A running shoe; a sneaker designed for running.

跑鞋；为跑步设计的运动鞋。