| 单词 | pneumatic |
| 释义 | pneumatic (once / 9594 pages) adj Pneumatic means "related to air or gas." If you've ever gone to a drive-through bank where you put your deposit in a container that gets shot through a tube into the bank, by a blast of air, then you've used a pneumatic tube. When you pronounce pneumatic, keep the "p" silent. It comes from the Latin root for breath, and in some cases people call spiritual things "pneumatic." In engineering, when something is described as pneumatic, it usually uses air pressure to move things around, like pneumatic tubes, or like the compressor in the whipped cream that pushes air into the liquid cream as it comes out of the can. WORD FAMILYpneumatic: pneumatically USAGE EXAMPLESTrash was collected by an underground pneumatic system rather than trucks. New York Times(Sep 30, 2016) A pneumatic waste disposal system, obviating the need for garbage cans and trucks, directs all refuse to an automatic central processing facility underground. The Guardian(Oct 19, 2016) In the zany spirit of the occasion, it featured such unconventional instruments as pneumatic riveting machines, steam pipes, ocean liner whistles and sledgehammers. New York Times(Sep 30, 2016) adj of or relating to or using air (or a similar gas) pneumatic drill pneumatic tire |
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