柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    外套;轻便大衣;宽大衣
    A topcoat is a coat that you wear over your other clothes.
  • N-VAR
    (油漆等的)外涂层;外涂层漆
    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.