1.(鲸的)喷水孔;(铸件的)气泡
1.a hole in the top of the head of an ocean animal such as a whale or dolphin, through which it breathes
2.a hole in the surface of ice that ocean animals such as whales and seals use to breathe through
3.a hole in a tunnel through which gases can escape
1.A humpback whale breathes air at the surface of the water through two blowholes which are located near the top of the head.
驼背鲸呼吸空气的方式是在水的表面，利用它头上面附近的二个通风孔。
2.Upon pyrolysis, the phenomena of melting, swelling and formation of large blowholes were observed only in the case of the coal particles.
只有煤粒在热解时产生溶解、膨胀及气孔现象。
3.the surface holes are caused by forming gas in coatings, and the deep-seated blowholes are due to excessive gas content of liquid-Al.
分析表明，铸件的表面气孔是由于涂料的发气造成的；内部气孔是由于铝液的含气量过高造成的。
4.Soon the whales "answer" with an exquisite array of sounds from gurgles made by blowing bubbles through their blowholes to little squeaks.
很快地，鲸鱼用各式各样优美的声音「回答」，从自喷水孔中吹泡泡而产生的咕噜声到轻微的吱吱声都有。
5.Right now the orcas are so close that we can clearly see their blowholes as they swim alongside the boat.
此刻那些虎鲸离我们非常近，当它们沿着船边游动时，我们连它们的喷水孔都能看得一清二楚。
6.The nose like splash guard atop a whale's head perts water from two blowholes, each big enough for a toddler to crawl in.
蓝鲸头顶鼻似子的“防护罩”（下）将两个喷水孔旁的水排走，每个喷水孔都足够一个蹒跚学步的孩子爬进去。
7.Whales that are not beached are hauled ashore by their blowholes. Then their dorsal fins are hacked off, cutting through their arteries.
当地人将钩子钩住鲸鱼的气孔，把那些没有靠岸的鲸鱼拖上岸来，砍下它们的背鳍，割开它们的背动脉。
8.Tyre chars acquired rough surfaces with blowholes a few micrometres wide.
而轮胎焦却形成带有几微米直径气孔的粗糙表面。
9.The results show that all of the nuggets without medium appear blowholes and lack of fusion, while those with medium appear well.
结果表明，未加入大电阻介质的点焊熔核均出现气孔和未熔合缺陷；
10.A case in point is the connection between the blowholes of whales and dolphins and the nostrils of humans.
一个典型的例子就是鲸鱼和海豚的喷水孔和人类鼻孔之间的联系。