学一个词：Mainstay 重要来源 (音频文字)

学一个词：Mainstay 重要来源 (音频文字)VOA(ZT)

今天我们要学的词是mainstay。

Mainstay, 支柱，重要来源。

"Picture books, a mainstay of children's literature, have been on the decline,"
儿童文学的重要组成部分---图画书发行的数量正在走下坡路。

在美国，"Cranberries are a mainstay of holiday feasts,"
小红莓是节日大餐不可缺少的重要成分。

"The Mama Bakery around the corner has been a mainstay in our area,"
拐角处的妈妈面包铺是我们这个地区的居民离不开的小食品店。

"Once a mainstay of finding people, the White Pages are quickly fading away,"
一度曾是找人必备的电话白页，如今正在迅速消亡。

好的，今天我们学习的词是mainstay...

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