瞳 (tóng) — pupil (of the eye)

Definition

Examples

• 他的一只眼睛的瞳孔是蓝色的。
  Tā de yì zhī yǎn jing de tóng kǒng shì lán sè de.
  The pupil of one of his eyes is blue.
• 医生检查了他的瞳孔反应。
  Yī shēng jiǎn chá le tā de tóng kǒng fǎn yìng.
  The doctor checked his pupillary response.
• 光线会让瞳孔缩小。
  Guāng xiàn huì ràng tóng kǒng suō xiǎo.
  Light will make the pupil contract.