iron having a low carbon content that is tough and malleable and so can be forged and welded
例句
用作名词 (n.)
A metal having high ductility, such as copper or soft iron, will fail or break gradually as the load on it is increased. 韧性很高的金属,例如铜或者熟铁,随着载荷的增加,破坏或断裂是逐渐进行的。