1. （家用）电器，器械，装置
    An appliance is a device or machine in your home that you use to do a job such as cleaning or cooking. Appliances are often electrical.

appliance是什么意思

    e.g. He could also learn to use the vacuum cleaner, the washing machine and other household appliances.
           他可以再学学使用吸尘器、洗衣机和其他家用电器。
    e.g. ...Maytag, one of America's biggest domestic appliance manufacturers.
           美泰克公司，美国最大的家电制造商之一

2. （技术或知识的）使用，应用
    The appliance of a skill or of knowledge is its use for a particular purpose.

    e.g. These advances were the result of the intellectual appliance of science.
           这些进步是巧妙应用科学的结果。