根的英語翻譯：

base; cause; foot; origin; radix; root; source
【化】 radical
【醫(yī)】 rad.; radical; radices; radix; rhizo-; root

部的英語翻譯：

ministry; office; part
【醫(yī)】 board; department; loci; locus; pars; part; Partes; piece; portio
portiones; regio; region
【經(jīng)】 ministry

未焊透的英語翻譯：

【化】 incomplete penetration; insufficient fusion; lack of penetration