释义 |
silver [`sil·vǝr] CHEMISTRY A white metallic transition element, symbol Ag, with atomic number 47; soluble in acids and alkalies, insoluble in water; melts at 961°C, boils at 2212°C; used in photographic chemicals, alloys, conductors, and plating. METALLURGY A sonorous, ductile, malleable metal that is capable of a high degree of polish and that has high thermal and electric conductivity. |