But Zurovcik, inspired by a burn surgeon's plea, went a step further, designing a human-powered device that applies pressure via a simple bellows pump weighing less than half a pound.
但是佐罗夫西克更进一步,她被一名治疗烧伤的外科医生的恳求所鼓舞,设计了一种人工提供动力的设备,这种设备通过一个简易的、重量不到0.5磅的风箱抽气机产生压力。
I must blow the coals red first, before I can carry any, 'I replied, getting a chair and the bellows.
“我可得先把这堆煤煽红,才能去取煤。”我回答,搬了一把椅子和一个风箱。
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。
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