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1. The flask is the perfect size for carrying a small amount of liquid.
这个长颈瓶的大小非常适合携带少量液体。
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2. The flask was used to store and transport wine during the Middle Ages.
这个长颈瓶在中世纪用来储存和运输葡萄酒。
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3. The flask was filled with water and placed on the table for easy access.
这个长颈瓶被装满水放在桌子上，方便使用。