overcoat

• 名词，指穿在其他衣服外面用来保暖的厚重外套，也指额外的保护层，如油漆或涂层。

A noun referring to a heavy coat worn over other clothing for warmth in cold weather, or an additional protective layer such as paint or varnish.

1. Heavy winter coatA2formal

   A long, heavy coat worn over other clothing to provide warmth in cold weather.

   大衣

   • He wore a thick overcoat to protect himself from the freezing wind.
   • She buttoned her overcoat before stepping out into the snow.
   • The old man's overcoat was made of heavy wool.

   同义词greatcoatsurtouttopcoatulsterwrap

2. Protective coatingB2formal

   An additional layer of material, such as paint or varnish, applied to protect or finish a surface.

   保护涂层

   • The table was given a final overcoat of clear varnish.
   • They applied an overcoat of sealant to protect the wood from moisture.
   • A second overcoat of paint ensured the color was even.

   同义词coatingcoveringfinishsealanttopcoat