semaphore
n. 信号标,旗语;臂板信号装置; v. 打旗语,发信号
n.旗语
astern cyclogenesis dragsman gynaecology paramedian syllable unconfessed下载迅蛙App
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n. 信号标,旗语;臂板信号装置; v. 打旗语,发信号
n.旗语
astern cyclogenesis dragsman gynaecology paramedian syllable unconfessed