鸭嘴鱼科的一种鱼
一种现代、更流线型且更贴合的平顶帽。
鸭嘴鱼科的一种鱼
A fish of the family Percophidae
牛鲼。
Bull ray (Aetomylaeus bovinus, now Pteromylaeus bovinus).
强行开启挂锁的装置
A device used to force padlocks.
一种有两个或多个瓣膜的止回阀,通常形似鸭嘴,常用于医疗领域以防回流污染。
A check valve with two or more flaps, usually shaped like a duck's beak, commonly used in medical applications to prevent contamination due to backflow.
一种外科口罩,具有梯形袋状设计,侧边较短或没有侧边。
A kind of surgical mask with a trapezoid pouch-like design with shortened or absent side edges.
一种现代、更流线型且更贴合的平顶帽。
A modern and more streamlined and tighter fitting version of a flat cap.
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Dictionary facts from ECDICT, WIKTIONARY.
