[Story] The group of devoted friends proudly promoted their tooth-brushing notes, emphasizing the importance of dental hygiene for everyone.

[参考翻译] 这群敬业的朋友自豪地推广他们的刷牙笔记，强调口腔卫生对每个人的重要性。

[Words]

  1. both [bʊθ] n 两个，两个都
  2. devote [dɪˈvoʊt] v 致力于，献身于
  3. group [gru:p] n 组，群
  4. note [noʊt] n 笔记，注释
  5. promote [prəˈmoʊt] v 促进，提升
  6. proud [praʊd] adj 自豪的，骄傲的
  7. tooth [tu:θ] n 牙齿，齿状物