名词
1. 涂层;覆盖层
A coating of a substance is a thin layer of it spread over a surface.
1. the work of applying something
e.g. the doctor prescribed a topical application of iodine
a complete bleach requires several applications
the surface was ready for a coating of paint
Synonym: applicationcovering
2. a thin layer covering something
e.g. a second coat of paint
Synonym: coat
3. a heavy fabric suitable for coats
4. a decorative texture or appearance of a surface (or the substance that gives it that appearance)
e.g. the boat had a metallic finish
he applied a coat of a clear finish
when the finish is too thin it is difficult to apply evenly