"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.
雙語例句
1. Methane and propane are alkanes.
甲烷和丙烷是烷烴。
來自《權(quán)威詞典》
2. a propane gas cylinder
丙烷氣鋼瓶
來自《權(quán)威詞典》
3. Propane may also be used as LPG.
丙烷也可用作液化石油氣.
來自辭典例句
4. The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.
天然氣不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.
來自辭典例句
5. Combustion systems can fire on natural gas or propane.