air bladder

音標(biāo)發(fā)音

Widely distributed family of carnivorous percoid fishes having a large air bladder used to produce sound.
分布廣泛的食肉性鱸形目魚(yú)，長(zhǎng)有能發(fā)出響聲的氣泡。
In the course of transmission, mud pulse signal mainly disturbed by drilling pump, engine in the bottom hole, air bladder contained in mud and movement of drilling equipment.
泥漿脈沖信號(hào)在傳輸過(guò)程中主要受鉆探泵、井底動(dòng)力機(jī)、泥漿中的氣泡及活動(dòng)鉆具的干擾；
Further, the lobe may be a fluid-filled air bladder.
更進(jìn)一步地，突出部可以為充入流體的空氣氣囊。
ip.com

a small bag of air or gas inside a fish's body, that helps it to float or breathe

an air-filled sac, lying above the alimentary canal in bony fishes, that regulates buoyancy at different depths by a variation in the pressure of the air (Also called swim bladder)