专业释义英英释义
柯林斯英汉双解大词典
swallowtail /ˈswɒləʊˌteɪl/
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1.
N any of various butterflies of the genus Papilio and related genera, esp P. machaon of Europe, having a tail-like extension of each hind wing: family Papilionidae 燕尾状物
双语例句
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They were also called hand plates, swallow-tail plates, close plates and cane plates in the Ming Dynasty.
明代还有手牌、燕尾牌、挨牌、藤牌等称法。
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The swallow-tail tunnel is a new structure in recent years, which consists of a small space tunnel and large-arch tunnel.
燕尾式隧道是国内近几年出现的一种新的隧道结构形式，它由小间距隧道、大拱隧道组成。
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The cross section of the resistant grinding slot is arc or swallow-tail form or any other form fitted to install rolling resistant grinding roll.
所述耐磨槽的横断面形状为弧形或燕尾形或其它适合 安装可以滚动的耐磨辊的形状。
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