ā máng ná
(chemistry) (loanword) ammonal
阿
ā
abbr. for country names that begin with 阿[a1]: Algeria 阿爾及利亞|阿尔及利亚[A1 er3 ji2 li4 ya4], Afghanistan 阿富汗[A1 fu4 han4] etc
芒
máng
awn (of cereals)
拿
ná
to hold