air bladder

• n. 气泡；鳔

英英释义

Noun:

1. an air-filled sac near the spinal column in many fishes that helps maintain buoyancy

例句

用作名词 (n.)

1. Between the fibers are many small pockets of air.
   纤维之间有很多小气泡。
2. Methods were proposed to prevent air entrain-ment.
   同时提出了充模过程中防止气泡卷入的措施。

近反义词

【近义词】

• float 漂浮
• swim bladder 浮囊