稀薄 (xī báo) — (of air, gas) thin, rarefied; (of liquid) diluted, weak

Definition

Examples

• 高山的空气很稀薄，呼吸有点困难。
  Gāo shān de kōng qì hěn xī báo, hū xī yǒu diǎn kùn nan.
  The air on high mountains is thin, making it a bit hard to breathe.
• 这种化学溶液太稀薄，需要再浓缩一下。
  Zhè zhǒng huà xué róng yè tài xī báo, xū yào zài nóng suō yí xià.
  This chemical solution is too diluted and needs to be concentrated further.
• 火星的大气层十分稀薄，几乎没有氧气。
  Huǒ xīng de dà qì céng shí fēn xī báo, jī hū méi yǒu yǎng qì.
  The atmosphere on Mars is very thin, with almost no oxygen.