"the downstairs (or downstair) phone"
同义词： downstairs
以上来源于: WordNet
Downstair supermarket, bank, hospital, and public transportation site are nearly very close, shopping is convenient, and communication is easy.
楼下超市、银行、医院、公共交通站点近在咫尺，购物方便，交通很方便。
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To my surprise, within 30 minutes he was downstair in my dormitory calling me.
令我吃惊的是，不到30分钟，他就在楼下我的宿舍给我打电话了。
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