| 单词 | pontoon |
| 释义 | pontoon [pän`tün] AEROSPACE ENGINEERING A float on an airplane. NAVAL ARCHITECTURE 1. A low, flat-bottomed ship, similar to a barge, carrying cranes, capstans, and other machinery used to lift weights, to lean ships on their sides for repairs, and to perform other such operation. 2. A wooden flat-bottomed boat or other float, used particularly to make temporary bridges. |
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