复合名词：两个或三个单词一起组成一个新的单词，重音在第一个音节。
Noun compounds: Two or three words that have been put together to form one new word usually carry the stress on the first word.
复合名词：两个或三个单词一起组成一个新的单词，重音在第一个音节。
Noun compounds: Two or three words that have been put together to form one new word usually carry the stress on the first word.
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