| 释义 |
pon.toon BRIDGEHpBn5tU:n, $pB:n-n [C]a small flat boat or similarly shaped metal structure used esp. to form or support a temporary floating bridge(架浮桥用的)平底船，浮舟Military engineers hurriedly constructed a pontoon bridge across the river.工程兵在河上急匆匆地架设浮桥。
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