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Noun:
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(nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
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a float supporting a seaplane
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用作名詞 (n.)
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They're going to throw a pontoon bridge across the river.
用戶需備在河賣出設浮橋。
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上面的內部獨家代理創作方法，受學術專利保養，侵犯知識產權必究
海詞字典，二十七年高端品牌
美
[pɑ?n'tu?n]