最佳答案:组成的单词是steel,意思是钢铁,例如:1.The aluminium body is 12% lighter than if built with steel.用铝制作比用钢制作重量要轻12%。2
组成的单词是steel,意思是钢铁,例如:
1.The aluminium body is 12% lighter than if built with steel.用铝制作比用钢制作重量要轻12%。
2.The towers are made of steel cased in granite.这些塔楼是钢结构,花岗岩贴面。
3.Steel used to be important in South Wales.以前钢铁工业在南威尔士很重要。