英汉词典

1. 上衣;外衣;外套
    A coat is a piece of clothing with long sleeves which you wear over your other clothes when you go outside.

    e.g. He turned off the television, put on his coat and walked out.
           他关掉电视，穿上外套，出门了。

2. (动物的)皮毛
    An animal's coat is the fur or hair on its body.

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    e.g. Vitamin B6 is great for improving the condition of dogs' and horses' coats.
           维生素B6对于改善狗和马的皮毛有显著的作用。

3. 给…涂上(或盖上、裹上)
    If you coat something with a substance or in a substance, you cover it with a thin layer of the substance.

    e.g. Coat the fish with seasoned flour.
           用拌有佐料的面粉将鱼裹上。