造影剂 (zào yǐng jì) — contrast agent (used in medical imaging, such as X-ray, CT, or MRI)

定義

例文

• 医生给病人注射了造影剂，以便更清楚地观察血管。
  Yī shēng gěi bìng rén zhù shè le zào yǐng jì, yǐ biàn gèng qīng chǔ dì guān chá xuè guǎn.
  The doctor injected the patient with a contrast agent to observe the blood vessels more clearly.
• 这种造影剂在核磁共振检查中效果很好。
  Zhè zhǒng zào yǐng jì zài hé cí gòng zhèn jiǎn chá zhōng xiào guǒ hěn hǎo.
  This type of contrast agent works very well in MRI examinations.
• 使用造影剂前，需要确认病人没有过敏史。
  Shǐ yòng zào yǐng jì qián, xū yào què rèn bìng rén méi yǒu guò mǐn shǐ.
  Before using a contrast agent, you need to confirm that the patient has no history of allergies.