名词
中文翻译：双人板
同义词：
['double decker', 'double-decker', 'double-decker boardwalk']
例句：
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1. They had a great time on the double-decker bus.
他们在双层巴士上玩得很开心。
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2. The double-decker bus was crowded with people.
双层巴士上挤满了人。
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3. She enjoyed riding the double-decker boat to the island.
她喜欢乘双层船去那个岛。