Noun:

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

butchn.<俚>壮汉adj.男性化的；有男子气的；平头(发式)的butconj.但是prep.除 ... 以外adv.仅仅；只pron.无不Butanescu布塔内斯库butanegas丁烷气butanedial丁二醛butanediol丁二醇butanetriol丁三醇butanedione丁二酮butane fuel化气燃料butanethiol丁硫醇butanephrine乙基去甲肾上腺素butanediamide[化] 丁二酰胺

1. Buying a new butane soldering torch was a challenge.
   购买一台新丁烷焊炬是一个挑战。