top coat

柯林斯词典

topcoat /ˈtɒpˌkəʊt/ (also top coat) (topcoats)

• 1. N-COUNT A topcoat is a coat that you wear over your other clothes. 外套

• 2. N-VAR A topcoat is the final layer of paint or varnish that is put on something. Topcoat is the type of paint or varnish that you use for the final layer. Compare . 外涂层漆

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