[Story] In a college, a common blush spread across the students faces as they collected their blood samples for a medical study. It was a comfortable, albeit odd, experience for them all.

[参考翻译] 在一个大学里，当学生们为医学研究收集血样时，他们的脸上普遍泛起了羞红。这对他们所有人来说是一个舒适但奇怪的经历。

[Words]

  1. blood [blʌd] n 血液
  2. blush [blʌʃ] v/n 脸红
  3. collect [kəˈlekt] v 收集
  4. college [ˈkɑːlɪdʒ] n 学院
  5. comfortable [ˈkʌmftərbl] adj 舒适的
  6. common [ˈkɑːmən] adj 常见的