【英语2级听力】晚上睡不着了-Awake at Night

She cannot sleep. She tries exercising. She runs three miles around her house. She does 100 jumping jacks¹. She dances. She goes back to bed. She tries to sleep. She still cannot sleep. She asks her older sister what to do. Her older sister sings her a lullaby. She falls asleep.

1 jacks   

n.抓子游戏；千斤顶( jack的名词复数 )；（电）插孔；[电子学]插座；放弃

参考例句：

• Hydraulic jacks under the machine produce the movement. 是机器下面的液压千斤顶造成的移动。 来自《简明英汉词典》
• The front end is equipped with hydraulic jacks used for grade adjustment. 前瑞安装有液压千斤顶用来调整坡度。 来自辞典例句