复数： bellows
易混淆的单词： Bellows

In the last 25 years , however , the accordion bellows have expanded again .

过去的25年里，手风琴的风箱又扩展了。

Yawning helps keep the brain cool , and the sinuses play a role in that process by acting as bellows , a new report suggests .

一份新的报道显示，哈欠能够帮助大脑保持凉爽，鼻窦在这个过程中所起的作用就像是风箱。

During yawning , the walls of the maxillary sinuses ( located in the cheeks on each side of the nose ) flex like bellows and help with brain cooling , according to the researchers .

这两位研究人员表示，在打哈欠时，上颌窦的壁部（位于鼻子两边的脸颊上）像风箱一样弯曲，帮助大脑降温。

Now , hack and co-author andrew gallup , of princeton university , propose that yawning causes the walls of the maxillary sinus to expand and contract like a bellows , pumping air onto the brain , which lowers its temperature .

现在，哈克和其工作作者普林斯顿大学的安德鲁.盖洛普提出，打呵欠可引起上颌窦壁像风箱一样缩小和扩大，将空气泵入到大脑，从而降低温度。

It opened into the house , where the females were already astir , zillah urging flakes of flame up the chimney with a colossal bellows ; and mrs heathcliff , kneeling on the hearth , reading a book by the aid of the blaze .

那扇门通到大厅，女人们已经在那儿走动了：齐拉用一只巨大的风箱把火苗吹上烟囱；希刺克厉夫夫人，跪在炉边，借着火光读着一本书。