Cool ways to use an old smartphone

Vocabulary 
smartphone 智能手机
App 应用程序
toss out 扔掉
handset 手机 
garbage 垃圾 
genius 天才的 
video surveillance 图像监视
pair with 与...搭配 
fancy 时尚的 
topnotch 最高质量的; 第一流的
security 安全 
motion 动作 
detector 检测器 
real-time 实时的 
alert 警报 
fishy 可疑的 
hi-tech 高科技的 
monitor 监视器 
two-way 双向的，可同时接受发送信号的 
navigator 导航仪 
reflect 反应，显示 
route 路线 
repurpose 调整用途 




Key sentences
Have you seen the new iPhone 6? It doesn't mean that you have to toss out your old handset like yesterday's garbage.