The scribbles on the wall must be the work of those children.墙壁上的涂鸦准是那几个孩子画的.There are scribbles on the wall.墙上有胡乱涂写的字迹.I can hardly identfy his scribbles.我简直没弄清他这些潦草的字迹....
In industry, diamond can form a tough, non-corrosive coating for tools.在工业上，金刚石可以用作工具表面坚固、耐腐蚀的覆盖层。the corrosive effects of salt water盐水的腐蚀作用Many highly corrosive substances are used in the nuclear industry.核工业使用许多腐蚀性很强的物...