您要查找的是不是：
- 气 smell
- 一口气 in one breath
- 口气 (friendly or unfriendly) tone (of comments)
- 烟气 flue gases
- Ratio方法 Fisher ratio method
- 吹气 huff
- Ratio算子 Ratio detector
- 呼气 expire
- C／N ratio 碳氮比
- 气短 be discouraged
- G／E ratio 粒细胞红细胞比率
- 气相 gas phase
- G／N ratio 糖氮比率
- 进气 entering air
- 气密 aerospace seal
- 气源 air supply
- 气溶胶 aerosol
- 放气 deflation
- 气瓶 air bottle
- 抽气 suction gas
