Polonium is a highly radioactive element and a metalloid.钋是高放射性的元素,金属.Arsenic is a metalloid element.砷是一种金属元素.Metalloid mine product already became our country's important exit to achieve collect goods.非金属矿产品已成为我国重要...

n.类金属adj.类似金属性的...

metalloid的音标：metalloid的英式发音音标为：['metlɔɪd]metalloid的美式发音音标为：[]...