精选优质文档-倾情为你奉上Unit 3专心-专注-专业1. a dangerous servant一个危险的仆人2. a packet of sweets一包糖3. trick sb.捉弄某人4. look foolish看起来很傻5. flow through a wire流过电线6. the amount of money钱数7. get a bill for sth.拿到的账单8. in a way在某种程度上9. much more dangerous更加危险的多10. be careful with小心对待11. scratch ones head挠头12. change sth. into把某物变成13. forms of energy能量的形式14. think of考虑，想起15. come from来自16. be connected to与连接17. call sb./ sth. a name 把某人/某物叫做18. a
