纯氧 (chún yǎng) — pure oxygen

定義

例文

• 医生给病人吸纯氧。
  Yī shēng gěi bìng rén xī chún yǎng.
  The doctor gave the patient pure oxygen to inhale.
• 运动员在比赛后需要补充纯氧。
  Yùn dòng yuán zài bǐ sài hòu xū yào bǔ chōng chún yǎng.
  Athletes need to replenish pure oxygen after competitions.
• 潜水员需要纯氧才能在水下待很久。
  Qián shuǐ yuán xū yào chún yǎng cái néng zài shuǐ xià dài hěn jiǔ.
  Divers need pure oxygen to stay underwater for a long time.