羊水

1. Origins, structure, and basic meaning

• Structure: 羊水 is read ようすい and means the fluid surrounding a fetus in the uterus.
• Basic usage: It is a term used in medical lessons or diagrams showing the fetus's position.

2. Common pitfalls and similar expressions

• Distinguishing a homophone
  • 用水 is also read ようすい, but it refers to water intended for a particular use.
  • The fluid associated with a fetus is written 羊水.