英语词汇“main topmast”是什么意思，“main topmast”的读音、用法及例句翻译-烛光网

词汇	main topmast
释义	main topmastn.Nautical（名词）【航海】 The section of the mainmast on a square-rigged sailing vessel between the lower mast and the main topgallantmast.主桅中桅：横帆式帆船上位于下桅和上主桅之间的主桅部分
随便看	special handling special interest specialisation specialise specialism specialisms specialist specialists specialities speciality specialization specializations specialize specialized specializes specializing special jury special-needs Special Olympics special pleading special relativity specials special sense special session special sessions

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