世界上最长的单词英语怎么说（最长的英语单词是哪个）

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Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries.

Pneumonoultramicroscopicsilicovolcanoconiosis(矽肺病)是在最权威英语词典中收录最长的单词。

The definition is "a lung disease caused by inhalation of very fine silicate or quartz dust." (Note that it is not entered in the Learner's Dictionary--it is considered too specialized of a term to qualify for entry in this type of dictionary.)

其定义是“吸入非常细的硅酸盐或石英粉尘引起的肺部疾病”。(请注意，它没有被收录在学习词典中——它被认为太专业了，没有资格被收录在这类词典中。)

There are other long words that exist, but they are rarely or never used in a sentence. Two examples of words like this are "antidisestablishmentarianism" and "supercalifragilisticexpialidocious."

还有其他一些长词，但它们很少或从不用于句子中。类似的两个例子是“antidisestablishmentarianism”（反废除英国国教主义）和“supercalifragilisticexpialidocious”（<非正式>极好的；奇妙的；难以置信的（源自美国电影《欢乐满人间》的插曲））。

There is a lake in Massachusetts called Lake Chargoggagoggmanchauggauggagoggchaubunagungamaugg. (It is also sometimes called Webster Lake.)

在马萨诸塞州有一个湖叫Lake Chargoggagoggmanchauggagoggchaubunagungamaugg。(有时也被称为韦伯斯特湖。)

But the longest string of letters used to describe something is actually the chemical name for a protein, and it has 189,819 letters and takes more than 3 hours to say.

但用来描述某物的最长字母串实际上是蛋白质的化学名称，它有189819个字母，需要3个多小时才能说完。