shot in the arm的用法和样例：
例句
- Your encouraging words were a real shot in the arm.
你对我的鼓励真是一针兴奋剂。 - There wasn't that much fighting in the lunches.
午饭时也有战斗，他们是很好的兴奋剂。 - The hypocrisy inherent in the American conversation about stimulants is staggering.
美国人谈论中固有的关于刺激物的虚伪是惊人的。 - If your baby consistently awakens with a stuffy nose, suspect irritants or allergens in the bedroom.
如果你的孩子醒来时总是鼻子不同，先检查一下卧室里是否有刺激物或者容易引起过敏的物质。
词汇搭配
- shot in the arm 兴奋剂
- a shot in the arm 麻醉皮下注射...
