N-COUNT
涂层;覆盖层
A coating of a substance is a thin layer of it spread over a surface.
例句
Under the coating of dust and cobwebs, he discovered a fine French Louis XVI clock.
在一层灰尘和蜘蛛网底下，他发现了一座精美的法国路易十六时期的时钟。
...fluffy chocolate mousse, topped off with a crisp chocolate coating.
松软的巧克力慕斯，顶上盖着一层脆皮巧克力