eka-wolframWiktionary 原文英美构词拆解eka-前缀+wolfram词干eka-(chemistry) Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table.词源说明From eka- + wolfram, as a placeholder name for a predicted element.释义名词noun1(chemistry, archaic) seaborgium