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

• 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。
• 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。
• And the calculation formula and tables of various parameters in gating system could be obtained, which could be used as the reference for preventing the blowhole defects.
  据此得出平板铸铁件浇注工艺参数的计算公式及图表，可作为防止侵入性气孔缺陷的工艺设计参考。
• Spout moist air from the blowhole, as of some marine mammals.
  如一些哺乳动物（鲸等）一样从呼吸孔中喷出的潮湿的气。
• They are mammals and breathe through a blowhole on the top of their head.
  他们是哺乳动物和呼吸，通过对气孔上方的他们的头部。
• Some practical examples of blowhole prevention and shrinkage-blowhole prevention were given.
  还例举了防止气孔和气缩孔的实例。
• Dolphins breathe use the blowhole.
  海豚用头顶的呼吸孔呼吸。
• 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。
• A dolphin breathes air through a hole called a blowhole.
  海豚通过一个称为喷水孔的洞呼吸。
• This blowhole is on the top of its head.
  这个喷水孔在头的顶部。