| 单词 | lighter-than-sea |
| 释义 | > as lemmaslighter-than-sea c. lighter-than-sea, lighter-than-water: (of a vessel) displacing less than its own volume of water and hence buoyant enough to float (in direct comparison to lighter-than-air adj. 1). rare. ΚΠ 1917 C. C. Turner Air-craft To-day vii. 105 Certainly the liner is a lighter-than-sea machine, but only a portion of the liner is in the sea. 1933 Investig. Dirigible Disasters: Hearings before Joint Comm. (U.S. Congr.: 73rd Congr., 1st Sess.) 826 It is my opinion that they will..achieve sufficiently great speeds, with absolute safety, in lighter-than-air ships of metal, just as they now achieve a lesser, but considerable, speed plus safety with lighter-than-water ships of metal. < as lemmas |
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