挂耳咖啡是一种方便快捷的咖啡制作方式，它在中国非常受欢迎。那么，挂耳咖啡在英语中应该怎么称呼呢？

The English name for "挂耳咖啡" is "instant coffee ". Instant coffee is a type of coffee that has been brewed and then dehydrated into a powder or granules. It is designed to dissolve quickly in hot water, making it easy to prepare and convenient for those who want a quick cup of coffee without the need for brewing equipment.

Instant coffee has been around since the late 19th century and has become increasingly popular over the years due to its convenience. It can be found in various forms, including freeze-dried instant coffee, spray-dried instant coffee, and soluble instant coffee. These different forms have slightly different production processes but all result in a product that can be easily dissolved in water.

In addition to its convenience, instant coffee also offers a longer shelf life compared to freshly brewed coffee. This makes it an ideal choice for situations where fresh ingredients may not be readily available or when there is limited access to brewing equipment. Instant coffee can also be used as an ingredient in baking or cooking recipes that call for the flavor of coffee.

In conclusion, "挂耳咖啡" translates to "instant coffe"e in English. This type of coffe provides a quick and convenient way to enjoy a cup of joe without the need for brewing equipment or fresh ingredients. Whether you're on-the-go or simply prefer the ease of preparation, instant coffe offers an accessible option with various forms available on the market today.