topmast的意思|示意
美 / 'tɒpmɑ:st /
英 / 'toʊpmɑst /
n. 中桅
topmast相关例句
The Enterprise took in her topmast studding - sail , and hauled her wind.
“企业”号把中枪翼帆收起来, 抢风行驶.
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