单词	propulsor
释义	propulsor /prəˈpʌlsə / noun A ducted propeller which can be swivelled to give forward, upward, or downward flight to an airship.Submarine engineers eager to copy these features are now experimenting with new kinds of flexible propellers, called propulsors, which resemble the dolphin's tail.... They will be the first of Britain's major Naval vessels to be without traditional rudders, being steered instead by electric-powered propulsors. Second, the model can be used for many fast swimmers, although lifting-wing models were developed for the fastest swimming fish with high aspect ratio oscillatory propulsors. Rhymes Tulsa, ulcer
随便看	untold untoned untouchability untouchable untouchableness untouched untouristed untoward untowardly untowardness untraceable untraceably untraced untracked untraditional untrainable untrained untrammeled untrammelled untransferable untransformed untranslatability untranslatable untranslatably untranslated

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