词族 · propane
词形变化
中文词源
propane 丙烷
来自propionic acid,丙酸，-ane,化学名词后缀，烷，词源同methane.
英语词源
- propane (n.)
- "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.
权威例句
- 1. Methane and propane are alkanes.
- 甲烷和丙烷是烷烃。
- 2. a propane gas cylinder
- 丙烷气钢瓶
- 3. Propane may also be used as LPG.
- 丙烷也可用作液化石油气.
- 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%.
- 5. Combustion systems can fire on natural gas or propane.
- 燃烧系统可使用天然气或丙烷.