In life you will meet two kinds of people: ones who build you up and ones who tear you down. But in the end, you will thank them both.
生命中你会遇见两种人：促进你的人，还有打击你的人。但最终，你两者都会感谢。
今天我们要学的词是 drill. Drill 演习。Fire drill 火灾演练。Military drill 军事演习。Millions of people in California participated in an earthquake drill last week. 美国加州上星期有成百上千万人参加了地震演练。埃博拉病毒在美国本土的出现，让很多医院都进入备战状态。Some hospitals have had emergency drills to make sure they know what to do if an Ebola patient shows up at the door. 一些医院进行紧急演练，确保埃博拉患者一旦出现，立即启动必要程序。好的，今天我们学习的词是 drill, drill, drill...
