Definition

Examples

• 孩子得了百日咳，需要及时治疗。
  Háizi dé le bǎi rì ké, xūyào jíshí zhìliáo.
  The child has whooping cough and needs timely treatment.
• 百日咳是一种通过空气传播的传染性疾病。
  bǎi rì ké shì yì zhǒng tōngguò kōngqì chuánbō de chuánrǎn xìng jíbìng.
  Whooping cough is an infectious disease transmitted through the air.
• 接种疫苗可以有效预防百日咳。
  Jiēzhòng yìmiáo kěyǐ yǒuxiào yùfáng bǎi rì ké.
  Vaccination can effectively prevent whooping cough.