名詞 butane:

1. occurs in natural gas; used in the manufacture of rubber and fuels

bu.tane

n.（名詞）
Either of two isomers of a gaseous hydrocarbon, C4H 0, produced synthetically from petroleum and used as a household fuel, refrigerant, and aerosol propellant and in the manufacture of synthetic rubber.
丁烷：兩種氣態(tài)碳?xì)浠衔锏耐之悩?gòu)體中的一種，C4H 0，從石油中合成制得，用作家庭燃料、冷卻劑和噴霧推進(jìn)劑，也可用作合成橡膠的制造

來源：
but(yl)
but(yl)
-ane
-ane