noun 下载 🔗分享 丙烷 An aliphatic hydrocarbon, C3H8, a constituent of natural gas. Examples : "My dad uses propane to fuel the barbecue grill for our family cookouts. " 我爸用丙烷来给烧烤架提供燃料,这样我们家就可以举办烧烤聚会了。 compound substance chemistry fuel energy 与AI对话词汇游戏阅读练习