密闭 (mì bì) — airtight, hermetic

Definizione

Esempi

• 这个密闭容器可以保存食物很久。
  Zhè ge mì bì róng qì kě yǐ bǎo cún shí wù hěn jiǔ.
  This airtight container can keep food for a long time.
• 实验室是密闭的，不能让空气进入。
  Shí yàn shì shì mì bì de, bù néng ràng kōng qì jìn rù.
  The laboratory is airtight; air cannot enter.
• 我们需要一个密闭的环境来完成实验。
  Wǒ men xū yào yí gè mì bì de huán jìng lái wán chéng shí yàn.
  We need a sealed environment to complete the experiment.