"colorless gas occurring in petroleum," 1866, with chemical suffix -ane + prop(ionic acid) (1850), from French propionique (1847), from Greek pro "forward" (see pro-) + pion "fat" (see fat (adj.)), in reference to its being first in order of the fatty acids.
实用例句
1. Methane and propane are alkanes.
甲烷和丙烷是烷烃。来自《权威词典》
2. a propane gas cylinder
丙烷气钢瓶来自《权威词典》
3. Propane may also be used as LPG.
丙烷也可用作液化石油气.来自辞典例句
4. The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.
天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.来自辞典例句
5. Combustion systems can fire on natural gas or propane.
