13. n.污垢;灰尘→dirty adj.脏的;弄脏的 14. n.电;电流;电学→electric adj.电的;用电的→electrical adj.发电的 15. n.矿;矿山→miner n. 矿工 16. vt.使惊吓;吓唬→frightened adj.受惊吓的→frightening adj.令人恐惧的 ___________ n.祝贺;(复数)贺词→congratulate v.祝贺
基础自主梳理
dirt
electricity
mine
frighten
congratulation