a chemical element lacking typical metallic properties
形容词 nonmetal:
not containing or resembling or characteristic of a metal
同义词：nonmetallic
nonmetal详细解释
non.met.al n.（名词）Any of a number of elements, such as oxygen or sulfur, that lack the physical and chemical properties of metals.非金属：一种元素，如氧或硫，其没有金属的物理和化学性质
