blowhole

英 [ˈbləʊhəʊl]

美 [ˈbloʊhoʊl]

n.  (鲸头顶的)呼吸孔; (供海豹等呼吸的)冰窟窿

复数：blowholes　

机械

COCA.35061

牛津词典

noun

• （鲸头顶的）呼吸孔
  a hole in the top of a whale's head through which it breathes
• （供海豹等呼吸的）冰窟窿
  a hole in a large area of ice, through which seals , etc. breathe

英英释义

noun

• a hole for the escape of gas or air
  Synonym:ventventholevent-hole
• the spiracle of a cetacean located far back on the skull

双语例句

• This allows the dolphin to retain enough consciousness to carry on breathing through its blowhole.
  这使海豚能保留足够的意识去通过喷水孔呼吸。
• The blowhole is a flap of skin that is thought to open and close under the voluntary control of the animal.
  呼吸孔是一个被认为能在动物自动控制下开启和关闭的皮肤风口片。
• Experts recommend anyone finding a stranded or distressed dolphin should call for help while wetting it, shading it from sunlight and making sure not to let water or debris enter the blowhole on its head.
  专家建议，当发现搁浅或受困海豚时，应立刻呼救，同时要保持海豚身体湿润，为它遮阳，并确保没有水和碎片进入海豚头上的气孔。
• The skull also lacks a blowhole, another cetacean adaptation for diving.
  头骨也缺少一个气孔，这是鲸鱼用来适应水下潜水进化而成的。
• Any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head.
  任何比较大的哺乳动物，流线型的身体，通过头顶的喷水孔呼吸。
• Discussing various influence factors of ductile iron's surface blowhole defects indicates that bringing various gases in the molten metal or on the interface with the sand mould is inevitable.
  对影响球墨铸铁件皮下气孔的各种因素分析表明，铁液中气体的产生有其必然性，通过减少气体的发生量以防止皮下气孔的方法并不是都能奏效。
• The blowhole is formed from the gas inside the iron melt.
  气孔是由铁液内部的气体形成的。
• Children revel in the spray of saltwater from a natural blowhole on the coastline of Oman.
  在阿曼海边的一口自喷井旁，孩子们在喷射出的盐水中尽情嬉戏。
• Dolphins breathe through a blowhole.
  海豚通过喷水孔呼吸。
• Casting defects such as leakage, burning-on, blowhole, cracking and deformation have been analyzed and some corresponding improving measures adopted.
  本文也对铸造成型工艺过程中存在的铸件渗漏、粘砂、气孔、开裂以及变形问题进行了分析并采取了相应的改进措施。