| 单词 | air bladder |
| 释义 | air bladder (once / 251475 pages) n WORD FAMILY air bladder: air bladders USAGE EXAMPLESOne polyp that acts like an air bladder is filled with gases—including carbon monoxide, oxygen, and argon—that keeps the animal afloat. National Geographic(Jun 11, 2016) Helmets lined with air bladders can deflate, leaving it looser on the head, according to the study researchers. US News(Mar 04, 2016) Their air bladders, which help fish remain buoyant, and other internal organs can rupture. New York Times(Feb 04, 2015) n an air-filled sac near the spinal column in many fishes that helps maintain buoyancy Syn|Hyper float, swim bladder sac a structure resembling a bag in an animal |
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