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...
他结了伤疤的那侧脸青紫发红。The scarred side of his face was a livid red.脸上的伤疤a scar on his cheek哈斯通过他脸上的伤疤辨认出他是嫌疑犯.Haas identified the suspect by the scar on his face....