leg rest

例句：

1. 1. After the long flight, I need a leg rest to recover.
   长途飞行后，我需要休息一下来恢复。
2. 2.The injured leg needs to be put in a leg rest for several days.
   受伤的腿需要几天时间放在腿上休息。
3. 3.During the game, he had to take a leg rest due to an ankle sprain.
   比赛中他不得不因为脚踝扭伤而休息。