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	meteor meteor. meteoric meteoric shower meteorite meteorites meteoritics meteorograph meteoroid meteoroids meteorologies meteorologist meteorologists meteorology meteors meteor shower meter -meter metered metering meter-kilogram-second meter-kilogram-second-ampere meter maid meters -meters

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