百科词条甲烷甲烷 methane 甲烷 球棍模型.png $结构式:$ tikz \usepackage chemfig \begin document \chemfig C - 0,0.5 H - 2,0.5 H - 4,0.5 H - 6,0.5 H \end document作者:admin2026-08-16称谓甲烷 methane![[甲烷_球棍模型.png]]$结构式:$\usepackage{chemfig} \begin{document} \chemfig{ C (-[0,0.5]H) (-[2,0.5]H) (-[4,0.5]H) (-[6,0.5]H) } \end{document}