lung

1. Origins, structure, and basic meaning

• Structure: 肺 is read はい, has 9 strokes, and represents the lungs.
• Basic usage: 肺 is read はい, and 肺炎 is read はいえん.

2. Common pitfalls and similar expressions

• 肺 and 肺炎
  • 肺 means lung.
  • 理科室の人体模型で肺の形を観察した。 means “We observed the shape of the lungs on a human body model in the science room.”
  • 肺炎 means pneumonia.
  • 物語の老人は肺炎でしばらく入院した。 means “The old man in the story was hospitalized with pneumonia for a while.”